diff --git a/tests/unit/Http/Response/GetReasonPhraseCest.php b/tests/unit/Http/Response/GetReasonPhraseCest.php
index 795cad4cb43..c4f5b056df1 100644
--- a/tests/unit/Http/Response/GetReasonPhraseCest.php
+++ b/tests/unit/Http/Response/GetReasonPhraseCest.php
@@ -31,7 +31,7 @@ public function httpResponseGetReasonPhrase(UnitTester $I)
         $oResponse = new Response('<h1>Test</h1>', 200, $sPhrase);
 
         $I->assertSame(
-            $sPhrase, 
+            $sPhrase,
             $oResponse->getReasonPhrase()
         );
     }
diff --git a/tests/unit/Http/Response/GetSetHeadersCest.php b/tests/unit/Http/Response/GetSetHeadersCest.php
index 1102b2f8f50..f440c8b2ad3 100644
--- a/tests/unit/Http/Response/GetSetHeadersCest.php
+++ b/tests/unit/Http/Response/GetSetHeadersCest.php
@@ -36,12 +36,12 @@ public function httpResponseGetSetHeaders(UnitTester $I)
         $oResponse->setHeaders($oHeaders);
 
         $I->assertEquals(
-            $oHeaders, 
+            $oHeaders,
             $oResponse->getHeaders()
         );
 
         $I->assertSame(
-            $oHeaders->toArray(), 
+            $oHeaders->toArray(),
             $oResponse->getHeaders()->toArray()
         );
     }
diff --git a/tests/unit/Http/Response/SetExpiresCest.php b/tests/unit/Http/Response/SetExpiresCest.php
index 617f16d5784..d42e5f43b0f 100644
--- a/tests/unit/Http/Response/SetExpiresCest.php
+++ b/tests/unit/Http/Response/SetExpiresCest.php
@@ -42,7 +42,7 @@ public function httpResponseSetExpires(UnitTester $I)
         $oResponse->setExpires($oExpireDate);
 
         $I->assertSame(
-            $oExpireDate->format("D, d M Y H:i:s") . " GMT", 
+            $oExpireDate->format("D, d M Y H:i:s") . " GMT",
             $oResponse->getHeaders()->get('Expires')
         );
     }
diff --git a/tests/unit/Http/Response/SetLastModifiedCest.php b/tests/unit/Http/Response/SetLastModifiedCest.php
index 6f7bf9e0303..ca44a933e4b 100644
--- a/tests/unit/Http/Response/SetLastModifiedCest.php
+++ b/tests/unit/Http/Response/SetLastModifiedCest.php
@@ -42,7 +42,7 @@ public function httpResponseSetLastModified(UnitTester $I)
         $oResponse->setLastModified($oLastModified);
 
         $I->assertSame(
-            $oLastModified->format("D, d M Y H:i:s") . " GMT", 
+            $oLastModified->format("D, d M Y H:i:s") . " GMT",
             $oResponse->getHeaders()->get('Last-Modified')
         );
     }