diff --git a/test/Faker/Calculator/EanTest.php b/test/Faker/Calculator/EanTest.php
index a486ca9a61..408b0f44a9 100644
--- a/test/Faker/Calculator/EanTest.php
+++ b/test/Faker/Calculator/EanTest.php
@@ -7,7 +7,7 @@
 use Faker\Calculator\Ean;
 use PHPUnit\Framework\TestCase;
 
-class EanTest extends TestCase
+final class EanTest extends TestCase
 {
     public function Ean8checksumProvider()
     {
diff --git a/test/Faker/Calculator/IbanTest.php b/test/Faker/Calculator/IbanTest.php
index 197048e5fd..4f74900719 100644
--- a/test/Faker/Calculator/IbanTest.php
+++ b/test/Faker/Calculator/IbanTest.php
@@ -5,7 +5,7 @@
 use Faker\Calculator\Iban;
 use PHPUnit\Framework\TestCase;
 
-class IbanTest extends TestCase
+final class IbanTest extends TestCase
 {
 
     public function checksumProvider()
diff --git a/test/Faker/Calculator/InnTest.php b/test/Faker/Calculator/InnTest.php
index 71d9193fd1..6fca016929 100644
--- a/test/Faker/Calculator/InnTest.php
+++ b/test/Faker/Calculator/InnTest.php
@@ -5,7 +5,7 @@
 use Faker\Calculator\Inn;
 use PHPUnit\Framework\TestCase;
 
-class InnTest extends TestCase
+final class InnTest extends TestCase
 {
 
     public function checksumProvider()
diff --git a/test/Faker/Calculator/LuhnTest.php b/test/Faker/Calculator/LuhnTest.php
index 2e81414497..b9aa0ec2b1 100644
--- a/test/Faker/Calculator/LuhnTest.php
+++ b/test/Faker/Calculator/LuhnTest.php
@@ -5,7 +5,7 @@
 use Faker\Calculator\Luhn;
 use PHPUnit\Framework\TestCase;
 
-class LuhnTest extends TestCase
+final class LuhnTest extends TestCase
 {
 
     public function checkDigitProvider()
diff --git a/test/Faker/Calculator/TCNoTest.php b/test/Faker/Calculator/TCNoTest.php
index 9e40d79471..12de400e03 100644
--- a/test/Faker/Calculator/TCNoTest.php
+++ b/test/Faker/Calculator/TCNoTest.php
@@ -5,7 +5,7 @@
 use Faker\Calculator\TCNo;
 use PHPUnit\Framework\TestCase;
 
-class TCNoTest extends TestCase
+final class TCNoTest extends TestCase
 {
     public function checksumProvider()
     {
diff --git a/test/Faker/DefaultGeneratorTest.php b/test/Faker/DefaultGeneratorTest.php
index fa9eb8529f..7bbffefe61 100644
--- a/test/Faker/DefaultGeneratorTest.php
+++ b/test/Faker/DefaultGeneratorTest.php
@@ -5,7 +5,7 @@
 use Faker\DefaultGenerator;
 use PHPUnit\Framework\TestCase;
 
-class DefaultGeneratorTest extends TestCase
+final class DefaultGeneratorTest extends TestCase
 {
     public function testGeneratorReturnsNullByDefault()
     {
diff --git a/test/Faker/GeneratorTest.php b/test/Faker/GeneratorTest.php
index f15df441fd..706b0a8ff0 100644
--- a/test/Faker/GeneratorTest.php
+++ b/test/Faker/GeneratorTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class GeneratorTest extends TestCase
+final class GeneratorTest extends TestCase
 {
     public function testAddProviderGivesPriorityToNewlyAddedProvider()
     {
@@ -126,7 +126,7 @@ public function testSeed()
     }
 }
 
-class FooProvider
+final class FooProvider
 {
     public function fooFormatter()
     {
@@ -139,7 +139,7 @@ public function fooFormatterWithArguments($value = '')
     }
 }
 
-class BarProvider
+final class BarProvider
 {
     public function fooFormatter()
     {
diff --git a/test/Faker/Provider/AddressTest.php b/test/Faker/Provider/AddressTest.php
index c7f1814ca5..8832ee5886 100644
--- a/test/Faker/Provider/AddressTest.php
+++ b/test/Faker/Provider/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/BarcodeTest.php b/test/Faker/Provider/BarcodeTest.php
index 16ca3cd812..d260e98269 100644
--- a/test/Faker/Provider/BarcodeTest.php
+++ b/test/Faker/Provider/BarcodeTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\Barcode;
 use PHPUnit\Framework\TestCase;
 
-class BarcodeTest extends TestCase
+final class BarcodeTest extends TestCase
 {
     private $faker;
 
@@ -37,7 +37,7 @@ public function testEan13()
     }
 }
 
-class TestableBarcode extends Barcode
+final class TestableBarcode extends Barcode
 {
     public static function eanChecksum($input)
     {
diff --git a/test/Faker/Provider/BaseTest.php b/test/Faker/Provider/BaseTest.php
index e619d5be0a..c890c5526c 100644
--- a/test/Faker/Provider/BaseTest.php
+++ b/test/Faker/Provider/BaseTest.php
@@ -6,7 +6,7 @@
 use PHPUnit\Framework\TestCase;
 use Traversable;
 
-class BaseTest extends TestCase
+final class BaseTest extends TestCase
 {
     public function testRandomDigitReturnsInteger()
     {
@@ -567,6 +567,6 @@ public function testRandomElements()
     }
 }
 
-class Collection extends \ArrayObject
+final class Collection extends \ArrayObject
 {
 }
diff --git a/test/Faker/Provider/BiasedTest.php b/test/Faker/Provider/BiasedTest.php
index cce3dc0acf..84f13e9d10 100644
--- a/test/Faker/Provider/BiasedTest.php
+++ b/test/Faker/Provider/BiasedTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class BiasedTest extends TestCase
+final class BiasedTest extends TestCase
 {
     const MAX = 10;
     const NUMBERS = 25000;
diff --git a/test/Faker/Provider/ColorTest.php b/test/Faker/Provider/ColorTest.php
index 44084b6bc7..fe0f71f8a5 100644
--- a/test/Faker/Provider/ColorTest.php
+++ b/test/Faker/Provider/ColorTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\Color;
 use PHPUnit\Framework\TestCase;
 
-class ColorTest extends TestCase
+final class ColorTest extends TestCase
 {
 
     public function testHexColor()
diff --git a/test/Faker/Provider/CompanyTest.php b/test/Faker/Provider/CompanyTest.php
index 28ce0eb4d0..b484854071 100644
--- a/test/Faker/Provider/CompanyTest.php
+++ b/test/Faker/Provider/CompanyTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\Lorem;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/DateTimeTest.php b/test/Faker/Provider/DateTimeTest.php
index ec3ad86768..4323d0f6cb 100644
--- a/test/Faker/Provider/DateTimeTest.php
+++ b/test/Faker/Provider/DateTimeTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\DateTime as DateTimeProvider;
 use PHPUnit\Framework\TestCase;
 
-class DateTimeTest extends TestCase
+final class DateTimeTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/HtmlLoremTest.php b/test/Faker/Provider/HtmlLoremTest.php
index f7814fafc6..290f020b7d 100644
--- a/test/Faker/Provider/HtmlLoremTest.php
+++ b/test/Faker/Provider/HtmlLoremTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\HtmlLorem;
 use PHPUnit\Framework\TestCase;
 
-class HtmlLoremTest extends TestCase
+final class HtmlLoremTest extends TestCase
 {
 
     public function testProvider()
diff --git a/test/Faker/Provider/ImageTest.php b/test/Faker/Provider/ImageTest.php
index 277b16a10b..835008b56a 100644
--- a/test/Faker/Provider/ImageTest.php
+++ b/test/Faker/Provider/ImageTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\Image;
 use PHPUnit\Framework\TestCase;
 
-class ImageTest extends TestCase
+final class ImageTest extends TestCase
 {
     public function testImageUrlUses640x680AsTheDefaultSize()
     {
diff --git a/test/Faker/Provider/InternetTest.php b/test/Faker/Provider/InternetTest.php
index 93fe7b48d4..c88faf40fe 100644
--- a/test/Faker/Provider/InternetTest.php
+++ b/test/Faker/Provider/InternetTest.php
@@ -9,7 +9,7 @@
 use Faker\Provider\Person;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/LocalizationTest.php b/test/Faker/Provider/LocalizationTest.php
index 6cfcc89189..850dae9022 100644
--- a/test/Faker/Provider/LocalizationTest.php
+++ b/test/Faker/Provider/LocalizationTest.php
@@ -5,7 +5,7 @@
 use Faker\Factory;
 use PHPUnit\Framework\TestCase;
 
-class LocalizationTest extends TestCase
+final class LocalizationTest extends TestCase
 {
     public function testLocalizedNameProvidersDoNotThrowErrors()
     {
diff --git a/test/Faker/Provider/LoremTest.php b/test/Faker/Provider/LoremTest.php
index 16d98891e4..7f201210a5 100644
--- a/test/Faker/Provider/LoremTest.php
+++ b/test/Faker/Provider/LoremTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\Lorem;
 use PHPUnit\Framework\TestCase;
 
-class LoremTest extends TestCase
+final class LoremTest extends TestCase
 {
     /**
      * @expectedException \InvalidArgumentException
@@ -89,7 +89,7 @@ public function testParagraphsAsText()
     }
 }
 
-class TestableLorem extends Lorem
+final class TestableLorem extends Lorem
 {
 
     public static function word()
diff --git a/test/Faker/Provider/MiscellaneousTest.php b/test/Faker/Provider/MiscellaneousTest.php
index 6a29cd5531..b2078034eb 100644
--- a/test/Faker/Provider/MiscellaneousTest.php
+++ b/test/Faker/Provider/MiscellaneousTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\Miscellaneous;
 use PHPUnit\Framework\TestCase;
 
-class MiscellaneousTest extends TestCase
+final class MiscellaneousTest extends TestCase
 {
     public function testBoolean()
     {
diff --git a/test/Faker/Provider/PaymentTest.php b/test/Faker/Provider/PaymentTest.php
index 966b9d63cc..3d08180975 100644
--- a/test/Faker/Provider/PaymentTest.php
+++ b/test/Faker/Provider/PaymentTest.php
@@ -11,7 +11,7 @@
 use Faker\Provider\Person as PersonProvider;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/PersonTest.php b/test/Faker/Provider/PersonTest.php
index f53076f7bb..daa26ae45a 100644
--- a/test/Faker/Provider/PersonTest.php
+++ b/test/Faker/Provider/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @dataProvider firstNameProvider
diff --git a/test/Faker/Provider/PhoneNumberTest.php b/test/Faker/Provider/PhoneNumberTest.php
index 520ecea371..d6dcd17b73 100644
--- a/test/Faker/Provider/PhoneNumberTest.php
+++ b/test/Faker/Provider/PhoneNumberTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/ProviderOverrideTest.php b/test/Faker/Provider/ProviderOverrideTest.php
index 61d7d63aa2..e53677c498 100644
--- a/test/Faker/Provider/ProviderOverrideTest.php
+++ b/test/Faker/Provider/ProviderOverrideTest.php
@@ -17,7 +17,7 @@
  * locale specific provider (can) has specific implementations. The goal of this test is to test the common denominator
  * and to try to catch possible invalid multi-byte sequences.
  */
-class ProviderOverrideTest extends TestCase
+final class ProviderOverrideTest extends TestCase
 {
     /**
      * Constants with regular expression patterns for testing the output.
diff --git a/test/Faker/Provider/TextTest.php b/test/Faker/Provider/TextTest.php
index 0a69d8dda6..b817b6d4f5 100644
--- a/test/Faker/Provider/TextTest.php
+++ b/test/Faker/Provider/TextTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/UserAgentTest.php b/test/Faker/Provider/UserAgentTest.php
index 5ba2459c29..107ed620f2 100644
--- a/test/Faker/Provider/UserAgentTest.php
+++ b/test/Faker/Provider/UserAgentTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\UserAgent;
 use PHPUnit\Framework\TestCase;
 
-class UserAgentTest extends TestCase
+final class UserAgentTest extends TestCase
 {
     public function testRandomUserAgent()
     {
diff --git a/test/Faker/Provider/UuidTest.php b/test/Faker/Provider/UuidTest.php
index 5c639cacca..37a1b138a5 100644
--- a/test/Faker/Provider/UuidTest.php
+++ b/test/Faker/Provider/UuidTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\Uuid as BaseProvider;
 use PHPUnit\Framework\TestCase;
 
-class UuidTest extends TestCase
+final class UuidTest extends TestCase
 {
     public function testUuidReturnsUuid()
     {
diff --git a/test/Faker/Provider/ar_JO/InternetTest.php b/test/Faker/Provider/ar_JO/InternetTest.php
index 33d70c434d..4d3b9f3618 100644
--- a/test/Faker/Provider/ar_JO/InternetTest.php
+++ b/test/Faker/Provider/ar_JO/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\fi_FI\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/ar_SA/InternetTest.php b/test/Faker/Provider/ar_SA/InternetTest.php
index 8059f0008c..0df38da6ea 100644
--- a/test/Faker/Provider/ar_SA/InternetTest.php
+++ b/test/Faker/Provider/ar_SA/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\ar_SA\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/at_AT/PaymentTest.php b/test/Faker/Provider/at_AT/PaymentTest.php
index f62dae81e5..37415ebbcb 100644
--- a/test/Faker/Provider/at_AT/PaymentTest.php
+++ b/test/Faker/Provider/at_AT/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\at_AT\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/bg_BG/PaymentTest.php b/test/Faker/Provider/bg_BG/PaymentTest.php
index b5645f9bd2..bfb833d9fa 100644
--- a/test/Faker/Provider/bg_BG/PaymentTest.php
+++ b/test/Faker/Provider/bg_BG/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\bg_BG\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/bn_BD/PersonTest.php b/test/Faker/Provider/bn_BD/PersonTest.php
index e82fe8b7cd..c463a6278d 100644
--- a/test/Faker/Provider/bn_BD/PersonTest.php
+++ b/test/Faker/Provider/bn_BD/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\bn_BD\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/cs_CZ/PersonTest.php b/test/Faker/Provider/cs_CZ/PersonTest.php
index 0b19872513..1685a764ce 100644
--- a/test/Faker/Provider/cs_CZ/PersonTest.php
+++ b/test/Faker/Provider/cs_CZ/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\Miscellaneous;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function testBirthNumber()
     {
diff --git a/test/Faker/Provider/da_DK/InternetTest.php b/test/Faker/Provider/da_DK/InternetTest.php
index 43c09be405..3c08bac786 100644
--- a/test/Faker/Provider/da_DK/InternetTest.php
+++ b/test/Faker/Provider/da_DK/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\da_DK\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_AT/AddressTest.php b/test/Faker/Provider/de_AT/AddressTest.php
index 1ff5cc1146..2ddc90e208 100644
--- a/test/Faker/Provider/de_AT/AddressTest.php
+++ b/test/Faker/Provider/de_AT/AddressTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\de_AT\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/de_AT/InternetTest.php b/test/Faker/Provider/de_AT/InternetTest.php
index 1d778eea95..fbb60a774a 100644
--- a/test/Faker/Provider/de_AT/InternetTest.php
+++ b/test/Faker/Provider/de_AT/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\de_AT\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_AT/PhoneNumberTest.php b/test/Faker/Provider/de_AT/PhoneNumberTest.php
index 7cc6e6b11b..cd4d99d5be 100644
--- a/test/Faker/Provider/de_AT/PhoneNumberTest.php
+++ b/test/Faker/Provider/de_AT/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\de_AT\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_CH/AddressTest.php b/test/Faker/Provider/de_CH/AddressTest.php
index 668f2117a6..64c5bd80b9 100644
--- a/test/Faker/Provider/de_CH/AddressTest.php
+++ b/test/Faker/Provider/de_CH/AddressTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\de_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_CH/InternetTest.php b/test/Faker/Provider/de_CH/InternetTest.php
index 31dcc5522d..6392109022 100644
--- a/test/Faker/Provider/de_CH/InternetTest.php
+++ b/test/Faker/Provider/de_CH/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\de_CH\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_CH/PersonTest.php b/test/Faker/Provider/de_CH/PersonTest.php
index 4adb0b4c3f..59bf515200 100644
--- a/test/Faker/Provider/de_CH/PersonTest.php
+++ b/test/Faker/Provider/de_CH/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\de_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/de_CH/PhoneNumberTest.php b/test/Faker/Provider/de_CH/PhoneNumberTest.php
index 5102297c30..a2dc4a9eef 100644
--- a/test/Faker/Provider/de_CH/PhoneNumberTest.php
+++ b/test/Faker/Provider/de_CH/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\de_CH\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/de_DE/InternetTest.php b/test/Faker/Provider/de_DE/InternetTest.php
index a15f366473..caa2d969e7 100644
--- a/test/Faker/Provider/de_DE/InternetTest.php
+++ b/test/Faker/Provider/de_DE/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\de_DE\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/el_GR/TextTest.php b/test/Faker/Provider/el_GR/TextTest.php
index 68e787160e..3cb0ec025c 100644
--- a/test/Faker/Provider/el_GR/TextTest.php
+++ b/test/Faker/Provider/el_GR/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/en_AU/AddressTest.php b/test/Faker/Provider/en_AU/AddressTest.php
index b2f72e8b54..5f06a2a226 100644
--- a/test/Faker/Provider/en_AU/AddressTest.php
+++ b/test/Faker/Provider/en_AU/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_AU\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
   /**
diff --git a/test/Faker/Provider/en_CA/AddressTest.php b/test/Faker/Provider/en_CA/AddressTest.php
index 6b1ece7290..eb7d774faa 100644
--- a/test/Faker/Provider/en_CA/AddressTest.php
+++ b/test/Faker/Provider/en_CA/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_CA\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
   /**
diff --git a/test/Faker/Provider/en_GB/AddressTest.php b/test/Faker/Provider/en_GB/AddressTest.php
index 762e11a868..6b7d1dabfc 100644
--- a/test/Faker/Provider/en_GB/AddressTest.php
+++ b/test/Faker/Provider/en_GB/AddressTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_IN/AddressTest.php b/test/Faker/Provider/en_IN/AddressTest.php
index 125cbdf0b5..41e47a18a6 100644
--- a/test/Faker/Provider/en_IN/AddressTest.php
+++ b/test/Faker/Provider/en_IN/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_IN\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
   /**
diff --git a/test/Faker/Provider/en_NG/AddressTest.php b/test/Faker/Provider/en_NG/AddressTest.php
index 27c591b7b7..91e31f5b75 100644
--- a/test/Faker/Provider/en_NG/AddressTest.php
+++ b/test/Faker/Provider/en_NG/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_NG\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_NG/InternetTest.php b/test/Faker/Provider/en_NG/InternetTest.php
index 6ebc620f38..70c59a0396 100644
--- a/test/Faker/Provider/en_NG/InternetTest.php
+++ b/test/Faker/Provider/en_NG/InternetTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\en_NG\Internet;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_NG/PersonTest.php b/test/Faker/Provider/en_NG/PersonTest.php
index 2180e36ea3..cf6c81edce 100644
--- a/test/Faker/Provider/en_NG/PersonTest.php
+++ b/test/Faker/Provider/en_NG/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_NG\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
      /**
      * @var Generator
diff --git a/test/Faker/Provider/en_NG/PhoneNumberTest.php b/test/Faker/Provider/en_NG/PhoneNumberTest.php
index 1edb4a5d6b..43a2b7b1bf 100644
--- a/test/Faker/Provider/en_NG/PhoneNumberTest.php
+++ b/test/Faker/Provider/en_NG/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_NG\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_NZ/PhoneNumberTest.php b/test/Faker/Provider/en_NZ/PhoneNumberTest.php
index 14b145c7d2..820622150d 100644
--- a/test/Faker/Provider/en_NZ/PhoneNumberTest.php
+++ b/test/Faker/Provider/en_NZ/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_NZ\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_PH/AddressTest.php b/test/Faker/Provider/en_PH/AddressTest.php
index 19367a497a..c8fa51ddd6 100644
--- a/test/Faker/Provider/en_PH/AddressTest.php
+++ b/test/Faker/Provider/en_PH/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_PH\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_SG/AddressTest.php b/test/Faker/Provider/en_SG/AddressTest.php
index abc62aacce..dd911c1855 100644
--- a/test/Faker/Provider/en_SG/AddressTest.php
+++ b/test/Faker/Provider/en_SG/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_SG\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/en_SG/PhoneNumberTest.php b/test/Faker/Provider/en_SG/PhoneNumberTest.php
index f2777196bb..2d95246221 100644
--- a/test/Faker/Provider/en_SG/PhoneNumberTest.php
+++ b/test/Faker/Provider/en_SG/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_SG\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/en_UG/AddressTest.php b/test/Faker/Provider/en_UG/AddressTest.php
index cadef2373f..5db30096f6 100644
--- a/test/Faker/Provider/en_UG/AddressTest.php
+++ b/test/Faker/Provider/en_UG/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_UG\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
 /**
diff --git a/test/Faker/Provider/en_US/CompanyTest.php b/test/Faker/Provider/en_US/CompanyTest.php
index 217d0863a2..ac20a8bca2 100644
--- a/test/Faker/Provider/en_US/CompanyTest.php
+++ b/test/Faker/Provider/en_US/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_US/PaymentTest.php b/test/Faker/Provider/en_US/PaymentTest.php
index ec82691b6f..983c81f820 100644
--- a/test/Faker/Provider/en_US/PaymentTest.php
+++ b/test/Faker/Provider/en_US/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/en_US/PersonTest.php b/test/Faker/Provider/en_US/PersonTest.php
index 3ddb38b28d..151e55c081 100644
--- a/test/Faker/Provider/en_US/PersonTest.php
+++ b/test/Faker/Provider/en_US/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_US/PhoneNumberTest.php b/test/Faker/Provider/en_US/PhoneNumberTest.php
index be0cc211da..c33c8edd1e 100644
--- a/test/Faker/Provider/en_US/PhoneNumberTest.php
+++ b/test/Faker/Provider/en_US/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_US\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_ZA/CompanyTest.php b/test/Faker/Provider/en_ZA/CompanyTest.php
index 0e51d49283..0d7104afa3 100644
--- a/test/Faker/Provider/en_ZA/CompanyTest.php
+++ b/test/Faker/Provider/en_ZA/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_ZA\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/en_ZA/InternetTest.php b/test/Faker/Provider/en_ZA/InternetTest.php
index 02c2940402..0c417d0a22 100644
--- a/test/Faker/Provider/en_ZA/InternetTest.php
+++ b/test/Faker/Provider/en_ZA/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\en_ZA\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/en_ZA/PersonTest.php b/test/Faker/Provider/en_ZA/PersonTest.php
index d7973e72cc..e6f6e3ddf5 100644
--- a/test/Faker/Provider/en_ZA/PersonTest.php
+++ b/test/Faker/Provider/en_ZA/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\DateTime;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/en_ZA/PhoneNumberTest.php b/test/Faker/Provider/en_ZA/PhoneNumberTest.php
index 37b781b505..b5efa8d9d8 100644
--- a/test/Faker/Provider/en_ZA/PhoneNumberTest.php
+++ b/test/Faker/Provider/en_ZA/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\en_ZA\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/es_ES/PaymentTest.php b/test/Faker/Provider/es_ES/PaymentTest.php
index e636544b71..83ea89531c 100644
--- a/test/Faker/Provider/es_ES/PaymentTest.php
+++ b/test/Faker/Provider/es_ES/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\es_ES\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/es_ES/PersonTest.php b/test/Faker/Provider/es_ES/PersonTest.php
index e29f3f9000..c8bcd646b8 100644
--- a/test/Faker/Provider/es_ES/PersonTest.php
+++ b/test/Faker/Provider/es_ES/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\es_ES\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/es_ES/PhoneNumberTest.php b/test/Faker/Provider/es_ES/PhoneNumberTest.php
index 4887f2b92b..1dce318c56 100644
--- a/test/Faker/Provider/es_ES/PhoneNumberTest.php
+++ b/test/Faker/Provider/es_ES/PhoneNumberTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use Faker\Provider\es_ES\PhoneNumber;
 
-class PhoneNumberTest extends \PHPUnit_Framework_TestCase
+final class PhoneNumberTest extends \PHPUnit_Framework_TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/es_ES/TextTest.php b/test/Faker/Provider/es_ES/TextTest.php
index a8ae3486f9..4e4b413a2b 100644
--- a/test/Faker/Provider/es_ES/TextTest.php
+++ b/test/Faker/Provider/es_ES/TextTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\es_ES\Text;
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/es_PE/PersonTest.php b/test/Faker/Provider/es_PE/PersonTest.php
index 6014938789..d2078be9b0 100644
--- a/test/Faker/Provider/es_PE/PersonTest.php
+++ b/test/Faker/Provider/es_PE/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\es_PE\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/es_VE/CompanyTest.php b/test/Faker/Provider/es_VE/CompanyTest.php
index 3c9b162a84..efb382db62 100644
--- a/test/Faker/Provider/es_VE/CompanyTest.php
+++ b/test/Faker/Provider/es_VE/CompanyTest.php
@@ -11,7 +11,7 @@
 use Faker\Provider\es_VE\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/es_VE/PersonTest.php b/test/Faker/Provider/es_VE/PersonTest.php
index bb42cd75fc..81a3dc988f 100644
--- a/test/Faker/Provider/es_VE/PersonTest.php
+++ b/test/Faker/Provider/es_VE/PersonTest.php
@@ -11,7 +11,7 @@
 use Faker\Provider\es_VE\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fa_IR/PersonTest.php b/test/Faker/Provider/fa_IR/PersonTest.php
index 28dbda29e3..7ecb1661e8 100644
--- a/test/Faker/Provider/fa_IR/PersonTest.php
+++ b/test/Faker/Provider/fa_IR/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fi_FI/InternetTest.php b/test/Faker/Provider/fi_FI/InternetTest.php
index 6009bbd174..c88358228c 100644
--- a/test/Faker/Provider/fi_FI/InternetTest.php
+++ b/test/Faker/Provider/fi_FI/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\fi_FI\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fi_FI/PersonTest.php b/test/Faker/Provider/fi_FI/PersonTest.php
index b979666e9e..b622432e1d 100644
--- a/test/Faker/Provider/fi_FI/PersonTest.php
+++ b/test/Faker/Provider/fi_FI/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\fi_FI\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /** @var Generator */
     protected $faker;
diff --git a/test/Faker/Provider/fr_BE/PaymentTest.php b/test/Faker/Provider/fr_BE/PaymentTest.php
index 6944c55fca..8e5687e117 100644
--- a/test/Faker/Provider/fr_BE/PaymentTest.php
+++ b/test/Faker/Provider/fr_BE/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\fr_BE\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/fr_CH/AddressTest.php b/test/Faker/Provider/fr_CH/AddressTest.php
index 217ac9f603..9ad4803f6d 100644
--- a/test/Faker/Provider/fr_CH/AddressTest.php
+++ b/test/Faker/Provider/fr_CH/AddressTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\fr_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fr_CH/InternetTest.php b/test/Faker/Provider/fr_CH/InternetTest.php
index f4e948486a..ae5a2dcfe8 100644
--- a/test/Faker/Provider/fr_CH/InternetTest.php
+++ b/test/Faker/Provider/fr_CH/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\fr_CH\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fr_CH/PersonTest.php b/test/Faker/Provider/fr_CH/PersonTest.php
index 9bfec99f67..2c0e553058 100644
--- a/test/Faker/Provider/fr_CH/PersonTest.php
+++ b/test/Faker/Provider/fr_CH/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\fr_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/fr_CH/PhoneNumberTest.php b/test/Faker/Provider/fr_CH/PhoneNumberTest.php
index 7bfcca76b7..26e7c007b7 100644
--- a/test/Faker/Provider/fr_CH/PhoneNumberTest.php
+++ b/test/Faker/Provider/fr_CH/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\fr_CH\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/fr_FR/AddressTest.php b/test/Faker/Provider/fr_FR/AddressTest.php
index 25aa0055f6..700c65b66e 100644
--- a/test/Faker/Provider/fr_FR/AddressTest.php
+++ b/test/Faker/Provider/fr_FR/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\fr_FR\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
 /**
diff --git a/test/Faker/Provider/fr_FR/CompanyTest.php b/test/Faker/Provider/fr_FR/CompanyTest.php
index 83e54d92f7..d7732e6f0e 100644
--- a/test/Faker/Provider/fr_FR/CompanyTest.php
+++ b/test/Faker/Provider/fr_FR/CompanyTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\fr_FR\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     private $faker;
 
@@ -66,7 +66,7 @@ public function testIsCatchPhraseValidReturnsTrueWhenNoWordAppearsTwice()
     }
 }
 
-class TestableCompany extends Company
+final class TestableCompany extends Company
 {
     public static function isCatchPhraseValid($catchPhrase)
     {
diff --git a/test/Faker/Provider/fr_FR/PaymentTest.php b/test/Faker/Provider/fr_FR/PaymentTest.php
index d00a7c83ad..3c945c033d 100644
--- a/test/Faker/Provider/fr_FR/PaymentTest.php
+++ b/test/Faker/Provider/fr_FR/PaymentTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\fr_FR\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/fr_FR/PersonTest.php b/test/Faker/Provider/fr_FR/PersonTest.php
index 8c5fc6547a..8637a5eaf7 100644
--- a/test/Faker/Provider/fr_FR/PersonTest.php
+++ b/test/Faker/Provider/fr_FR/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\fr_FR\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/fr_FR/PhoneNumberTest.php b/test/Faker/Provider/fr_FR/PhoneNumberTest.php
index 750bd916f9..27bf1693c5 100644
--- a/test/Faker/Provider/fr_FR/PhoneNumberTest.php
+++ b/test/Faker/Provider/fr_FR/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\fr_FR\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/fr_FR/TextTest.php b/test/Faker/Provider/fr_FR/TextTest.php
index 792de022e4..2ea27e4bdd 100644
--- a/test/Faker/Provider/fr_FR/TextTest.php
+++ b/test/Faker/Provider/fr_FR/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/id_ID/PersonTest.php b/test/Faker/Provider/id_ID/PersonTest.php
index 5ebfeee4b1..f2c1804f7c 100644
--- a/test/Faker/Provider/id_ID/PersonTest.php
+++ b/test/Faker/Provider/id_ID/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\id_ID\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/it_CH/AddressTest.php b/test/Faker/Provider/it_CH/AddressTest.php
index 0f0df5e952..a2d8f0d13f 100644
--- a/test/Faker/Provider/it_CH/AddressTest.php
+++ b/test/Faker/Provider/it_CH/AddressTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\it_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/it_CH/InternetTest.php b/test/Faker/Provider/it_CH/InternetTest.php
index d46f6b7df9..ba5a51e3ca 100644
--- a/test/Faker/Provider/it_CH/InternetTest.php
+++ b/test/Faker/Provider/it_CH/InternetTest.php
@@ -8,7 +8,7 @@
 use Faker\Provider\it_CH\Company;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/it_CH/PersonTest.php b/test/Faker/Provider/it_CH/PersonTest.php
index cbc0b0fb37..f081967d8d 100644
--- a/test/Faker/Provider/it_CH/PersonTest.php
+++ b/test/Faker/Provider/it_CH/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\it_CH\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/it_CH/PhoneNumberTest.php b/test/Faker/Provider/it_CH/PhoneNumberTest.php
index 5cda5345dd..69259fddd1 100644
--- a/test/Faker/Provider/it_CH/PhoneNumberTest.php
+++ b/test/Faker/Provider/it_CH/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\it_CH\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/it_IT/CompanyTest.php b/test/Faker/Provider/it_IT/CompanyTest.php
index 33977e136b..9062d4982a 100644
--- a/test/Faker/Provider/it_IT/CompanyTest.php
+++ b/test/Faker/Provider/it_IT/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\it_IT\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/it_IT/PersonTest.php b/test/Faker/Provider/it_IT/PersonTest.php
index 3e7b1a4f90..a4aa993636 100644
--- a/test/Faker/Provider/it_IT/PersonTest.php
+++ b/test/Faker/Provider/it_IT/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\it_IT\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/ja_JP/InternetTest.php b/test/Faker/Provider/ja_JP/InternetTest.php
index b4a19fde78..49eddfe01a 100644
--- a/test/Faker/Provider/ja_JP/InternetTest.php
+++ b/test/Faker/Provider/ja_JP/InternetTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ja_JP\Internet;
 use PHPUnit\Framework\TestCase;
 
-class InternetTest extends TestCase
+final class InternetTest extends TestCase
 {
     public function testUserName()
     {
diff --git a/test/Faker/Provider/ja_JP/PersonTest.php b/test/Faker/Provider/ja_JP/PersonTest.php
index e7854826cf..5e1c15da03 100644
--- a/test/Faker/Provider/ja_JP/PersonTest.php
+++ b/test/Faker/Provider/ja_JP/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ja_JP\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function testKanaNameMaleReturns()
     {
diff --git a/test/Faker/Provider/ja_JP/PhoneNumberTest.php b/test/Faker/Provider/ja_JP/PhoneNumberTest.php
index 158718a7dd..92e090db35 100644
--- a/test/Faker/Provider/ja_JP/PhoneNumberTest.php
+++ b/test/Faker/Provider/ja_JP/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ja_JP\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     public function testPhoneNumber()
     {
diff --git a/test/Faker/Provider/ka_GE/TextTest.php b/test/Faker/Provider/ka_GE/TextTest.php
index 2d645a76fc..8edc447ffc 100644
--- a/test/Faker/Provider/ka_GE/TextTest.php
+++ b/test/Faker/Provider/ka_GE/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/kk_KZ/CompanyTest.php b/test/Faker/Provider/kk_KZ/CompanyTest.php
index b6a3c06125..c2aeb1ef4b 100644
--- a/test/Faker/Provider/kk_KZ/CompanyTest.php
+++ b/test/Faker/Provider/kk_KZ/CompanyTest.php
@@ -5,7 +5,7 @@
 use Faker\Provider\kk_KZ\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/kk_KZ/PersonTest.php b/test/Faker/Provider/kk_KZ/PersonTest.php
index c565735250..fbd15225ba 100644
--- a/test/Faker/Provider/kk_KZ/PersonTest.php
+++ b/test/Faker/Provider/kk_KZ/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\kk_KZ\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/kk_KZ/TextTest.php b/test/Faker/Provider/kk_KZ/TextTest.php
index 5d1a18675b..769a835e1b 100644
--- a/test/Faker/Provider/kk_KZ/TextTest.php
+++ b/test/Faker/Provider/kk_KZ/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/ko_KR/TextTest.php b/test/Faker/Provider/ko_KR/TextTest.php
index 6f07b6403a..75eb26ac62 100644
--- a/test/Faker/Provider/ko_KR/TextTest.php
+++ b/test/Faker/Provider/ko_KR/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/mn_MN/PersonTest.php b/test/Faker/Provider/mn_MN/PersonTest.php
index 232f8f4b7c..99637d5d17 100644
--- a/test/Faker/Provider/mn_MN/PersonTest.php
+++ b/test/Faker/Provider/mn_MN/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\mn_MN\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function testName()
     {
diff --git a/test/Faker/Provider/ms_MY/PersonTest.php b/test/Faker/Provider/ms_MY/PersonTest.php
index c35c698d5b..5e49378449 100644
--- a/test/Faker/Provider/ms_MY/PersonTest.php
+++ b/test/Faker/Provider/ms_MY/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ms_MY\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/nb_NO/PhoneNumberTest.php b/test/Faker/Provider/nb_NO/PhoneNumberTest.php
index c89820ce24..ce68a6c7dd 100644
--- a/test/Faker/Provider/nb_NO/PhoneNumberTest.php
+++ b/test/Faker/Provider/nb_NO/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\nb_NO\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/nl_BE/PaymentTest.php b/test/Faker/Provider/nl_BE/PaymentTest.php
index e84410338d..4dab3560b1 100644
--- a/test/Faker/Provider/nl_BE/PaymentTest.php
+++ b/test/Faker/Provider/nl_BE/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\nl_BE\Payment;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/nl_BE/PersonTest.php b/test/Faker/Provider/nl_BE/PersonTest.php
index 4885cc3dad..2bd8190b6f 100644
--- a/test/Faker/Provider/nl_BE/PersonTest.php
+++ b/test/Faker/Provider/nl_BE/PersonTest.php
@@ -10,7 +10,7 @@
 /**
  * @group Person
  */
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/nl_NL/CompanyTest.php b/test/Faker/Provider/nl_NL/CompanyTest.php
index 6d5484ce40..6639357927 100644
--- a/test/Faker/Provider/nl_NL/CompanyTest.php
+++ b/test/Faker/Provider/nl_NL/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\nl_NL\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/nl_NL/PersonTest.php b/test/Faker/Provider/nl_NL/PersonTest.php
index c8735f5fba..c6af9a303b 100644
--- a/test/Faker/Provider/nl_NL/PersonTest.php
+++ b/test/Faker/Provider/nl_NL/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\nl_NL\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     private $faker;
 
diff --git a/test/Faker/Provider/pl_PL/AddressTest.php b/test/Faker/Provider/pl_PL/AddressTest.php
index bbfdf4d3e7..c874392641 100644
--- a/test/Faker/Provider/pl_PL/AddressTest.php
+++ b/test/Faker/Provider/pl_PL/AddressTest.php
@@ -5,7 +5,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/pl_PL/PersonTest.php b/test/Faker/Provider/pl_PL/PersonTest.php
index e5e0edc17f..cf1727367f 100644
--- a/test/Faker/Provider/pl_PL/PersonTest.php
+++ b/test/Faker/Provider/pl_PL/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/pt_BR/CompanyTest.php b/test/Faker/Provider/pt_BR/CompanyTest.php
index b0feecaca8..43f9223396 100644
--- a/test/Faker/Provider/pt_BR/CompanyTest.php
+++ b/test/Faker/Provider/pt_BR/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\pt_BR\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
 
     public function setUp()
diff --git a/test/Faker/Provider/pt_BR/PersonTest.php b/test/Faker/Provider/pt_BR/PersonTest.php
index 0b8318dddf..12eef1476f 100644
--- a/test/Faker/Provider/pt_BR/PersonTest.php
+++ b/test/Faker/Provider/pt_BR/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\pt_BR\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     public function setUp()
diff --git a/test/Faker/Provider/pt_PT/AddressTest.php b/test/Faker/Provider/pt_PT/AddressTest.php
index 3783fd52d6..1d2bd44550 100644
--- a/test/Faker/Provider/pt_PT/AddressTest.php
+++ b/test/Faker/Provider/pt_PT/AddressTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\pt_PT\Person;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/pt_PT/PersonTest.php b/test/Faker/Provider/pt_PT/PersonTest.php
index 662f12a721..fa61a81693 100644
--- a/test/Faker/Provider/pt_PT/PersonTest.php
+++ b/test/Faker/Provider/pt_PT/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\pt_PT\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     public function setUp()
diff --git a/test/Faker/Provider/pt_PT/PhoneNumberTest.php b/test/Faker/Provider/pt_PT/PhoneNumberTest.php
index fd5d31945d..7a9002f6e2 100644
--- a/test/Faker/Provider/pt_PT/PhoneNumberTest.php
+++ b/test/Faker/Provider/pt_PT/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\pt_PT\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/ro_RO/PersonTest.php b/test/Faker/Provider/ro_RO/PersonTest.php
index fbca0350c9..0f1510ec66 100644
--- a/test/Faker/Provider/ro_RO/PersonTest.php
+++ b/test/Faker/Provider/ro_RO/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\ro_RO\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     const TEST_CNP_REGEX = '/^[1-9][0-9]{2}(?:0[1-9]|1[012])(?:0[1-9]|[12][0-9]|3[01])(?:0[1-9]|[123][0-9]|4[0-6]|5[12])[0-9]{3}[0-9]$/';
 
diff --git a/test/Faker/Provider/ro_RO/PhoneNumberTest.php b/test/Faker/Provider/ro_RO/PhoneNumberTest.php
index b7965cd8d7..2021dd4089 100644
--- a/test/Faker/Provider/ro_RO/PhoneNumberTest.php
+++ b/test/Faker/Provider/ro_RO/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ro_RO\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
     public function setUp()
     {
diff --git a/test/Faker/Provider/ru_RU/CompanyTest.php b/test/Faker/Provider/ru_RU/CompanyTest.php
index 7ed22e5a34..f178b203ae 100644
--- a/test/Faker/Provider/ru_RU/CompanyTest.php
+++ b/test/Faker/Provider/ru_RU/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ru_RU\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/ru_RU/PersonTest.php b/test/Faker/Provider/ru_RU/PersonTest.php
index 51976d5f3e..f1bee0c5d3 100644
--- a/test/Faker/Provider/ru_RU/PersonTest.php
+++ b/test/Faker/Provider/ru_RU/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\ru_RU\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/ru_RU/TextTest.php b/test/Faker/Provider/ru_RU/TextTest.php
index 7a962120dc..c3ee659b16 100644
--- a/test/Faker/Provider/ru_RU/TextTest.php
+++ b/test/Faker/Provider/ru_RU/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;
 
diff --git a/test/Faker/Provider/sv_SE/PersonTest.php b/test/Faker/Provider/sv_SE/PersonTest.php
index 584998da9f..6d44156098 100644
--- a/test/Faker/Provider/sv_SE/PersonTest.php
+++ b/test/Faker/Provider/sv_SE/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Provider\sv_SE\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /** @var Generator */
     protected $faker;
diff --git a/test/Faker/Provider/tr_TR/CompanyTest.php b/test/Faker/Provider/tr_TR/CompanyTest.php
index 3ae7c04ddc..2415e0d2d7 100644
--- a/test/Faker/Provider/tr_TR/CompanyTest.php
+++ b/test/Faker/Provider/tr_TR/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/tr_TR/PaymentTest.php b/test/Faker/Provider/tr_TR/PaymentTest.php
index 7c8ffdb2ad..abfec910e7 100644
--- a/test/Faker/Provider/tr_TR/PaymentTest.php
+++ b/test/Faker/Provider/tr_TR/PaymentTest.php
@@ -6,7 +6,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PaymentTest extends TestCase
+final class PaymentTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/tr_TR/PersonTest.php b/test/Faker/Provider/tr_TR/PersonTest.php
index ad9db9c7fd..eae04dc2a8 100644
--- a/test/Faker/Provider/tr_TR/PersonTest.php
+++ b/test/Faker/Provider/tr_TR/PersonTest.php
@@ -7,7 +7,7 @@
 use Faker\Generator;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/tr_TR/PhoneNumberTest.php b/test/Faker/Provider/tr_TR/PhoneNumberTest.php
index 0971d04b8e..82ae863717 100644
--- a/test/Faker/Provider/tr_TR/PhoneNumberTest.php
+++ b/test/Faker/Provider/tr_TR/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\tr_TR\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/uk_UA/AddressTest.php b/test/Faker/Provider/uk_UA/AddressTest.php
index 4c4a06120f..3d975ce8de 100644
--- a/test/Faker/Provider/uk_UA/AddressTest.php
+++ b/test/Faker/Provider/uk_UA/AddressTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\uk_UA\Address;
 use PHPUnit\Framework\TestCase;
 
-class AddressTest extends TestCase
+final class AddressTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/uk_UA/PersonTest.php b/test/Faker/Provider/uk_UA/PersonTest.php
index a8d70f69f9..de97666ba8 100644
--- a/test/Faker/Provider/uk_UA/PersonTest.php
+++ b/test/Faker/Provider/uk_UA/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\uk_UA\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     public function testFirstNameMaleReturns()
     {
diff --git a/test/Faker/Provider/uk_UA/PhoneNumberTest.php b/test/Faker/Provider/uk_UA/PhoneNumberTest.php
index f7f9f14b41..441a1634da 100644
--- a/test/Faker/Provider/uk_UA/PhoneNumberTest.php
+++ b/test/Faker/Provider/uk_UA/PhoneNumberTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\uk_UA\PhoneNumber;
 use PHPUnit\Framework\TestCase;
 
-class PhoneNumberTest extends TestCase
+final class PhoneNumberTest extends TestCase
 {
 
     /**
diff --git a/test/Faker/Provider/zh_TW/CompanyTest.php b/test/Faker/Provider/zh_TW/CompanyTest.php
index f2134b9b54..1e1bf23efb 100644
--- a/test/Faker/Provider/zh_TW/CompanyTest.php
+++ b/test/Faker/Provider/zh_TW/CompanyTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\zh_TW\Company;
 use PHPUnit\Framework\TestCase;
 
-class CompanyTest extends TestCase
+final class CompanyTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/zh_TW/PersonTest.php b/test/Faker/Provider/zh_TW/PersonTest.php
index 538cd7a612..da6d155325 100644
--- a/test/Faker/Provider/zh_TW/PersonTest.php
+++ b/test/Faker/Provider/zh_TW/PersonTest.php
@@ -6,7 +6,7 @@
 use Faker\Provider\zh_TW\Person;
 use PHPUnit\Framework\TestCase;
 
-class PersonTest extends TestCase
+final class PersonTest extends TestCase
 {
     /**
      * @var Generator
diff --git a/test/Faker/Provider/zh_TW/TextTest.php b/test/Faker/Provider/zh_TW/TextTest.php
index b4424e80e7..da10b4a4b0 100644
--- a/test/Faker/Provider/zh_TW/TextTest.php
+++ b/test/Faker/Provider/zh_TW/TextTest.php
@@ -4,7 +4,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class TextTest extends TestCase
+final class TextTest extends TestCase
 {
     private $textClass;