From a136359c613306de61dae74d8807b19f4a49f97f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Chru=C5=9Bciel?= <lchrusciel@gmail.com>
Date: Tue, 23 Jul 2019 16:21:57 +0200
Subject: [PATCH] [Maintenance] EOT to JSON rename

---
 .../AddressBookCreateAddressApiTest.php       | 16 ++--
 .../AddressBookUpdateAddressApiTest.php       | 12 +--
 .../Cart/CartAddCouponShopApiTest.php         | 20 ++---
 .../Cart/CartChangeItemQuantityApiTest.php    | 16 ++--
 .../Cart/CartPutItemToCartApiTest.php         | 84 +++++++++----------
 .../Cart/CartPutItemsToCartApiTest.php        | 16 ++--
 .../Controller/Cart/CartSummarizeApiTest.php  | 12 +--
 .../Checkout/CheckoutAddressApiTest.php       | 24 +++---
 .../CheckoutChoosePaymentMethodApiTest.php    |  4 +-
 .../CheckoutChooseShippingMethodApiTest.php   |  4 +-
 .../Checkout/CheckoutCompleteOrderApiTest.php | 16 ++--
 .../Checkout/CheckoutSummarizeApiTest.php     | 24 +++---
 .../Customer/CustomerLoginApiTest.php         | 12 +--
 .../Customer/CustomerRegisterApiTest.php      | 16 ++--
 ...CustomerResendVerificationTokenApiTest.php |  4 +-
 .../Customer/CustomerResetPasswordApiTest.php |  4 +-
 .../CustomerUpdateCustomerApiTest.php         | 12 +--
 .../Customer/CustomerVerifyApiTest.php        |  4 +-
 .../LoggedInCustomerDetailsActionTest.php     |  4 +-
 .../Product/ProductAddReviewByCodeApiTest.php | 16 ++--
 .../Product/ProductAddReviewBySlugApiTest.php | 16 ++--
 tests/Controller/Utils/ShopUserLoginTrait.php |  4 +-
 22 files changed, 170 insertions(+), 170 deletions(-)

diff --git a/tests/Controller/AddressBook/AddressBookCreateAddressApiTest.php b/tests/Controller/AddressBook/AddressBookCreateAddressApiTest.php
index 3269f614f..705e7f9fb 100644
--- a/tests/Controller/AddressBook/AddressBookCreateAddressApiTest.php
+++ b/tests/Controller/AddressBook/AddressBookCreateAddressApiTest.php
@@ -26,7 +26,7 @@ public function it_allows_user_to_add_new_address_to_address_book(): void
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Jurica",
             "lastName": "Separovic",
@@ -36,7 +36,7 @@ public function it_allows_user_to_add_new_address_to_address_book(): void
             "countryCode": "GB",
             "postcode": "2433"
         }
-EOT;
+JSON;
 
         $response = $this->createAddress($data);
         $this->assertResponse($response, 'address_book/add_address_response', Response::HTTP_CREATED);
@@ -65,7 +65,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "",
             "lastName": "",
@@ -75,7 +75,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
             "countryCode": "",
             "postcode": ""
         }
-EOT;
+JSON;
 
         $response = $this->createAddress($data);
         $this->assertResponse($response, 'address_book/validation_create_address_book_response', Response::HTTP_BAD_REQUEST);
@@ -90,7 +90,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Davor",
             "lastName": "Duhovic",
@@ -99,7 +99,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
             "city": "Split",
             "postcode": "2100"
         }
-EOT;
+JSON;
 
         $response = $this->createAddress($data);
         $this->assertResponse($response, 'address_book/validation_create_address_book_with_wrong_country_response', Response::HTTP_BAD_REQUEST);
@@ -114,7 +114,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Davor",
             "lastName": "Duhovic",
@@ -124,7 +124,7 @@ public function it_does_not_allow_user_to_add_new_address_to_address_book_withou
             "postcode": "2100",
             "provinceCode": "WRONG_PROVINCE_CODE"
         }
-EOT;
+JSON;
 
         $response = $this->createAddress($data);
         $this->assertResponse($response, 'address_book/validation_create_address_book_with_wrong_province_response', Response::HTTP_INTERNAL_SERVER_ERROR);
diff --git a/tests/Controller/AddressBook/AddressBookUpdateAddressApiTest.php b/tests/Controller/AddressBook/AddressBookUpdateAddressApiTest.php
index 433667bca..487c73ce8 100644
--- a/tests/Controller/AddressBook/AddressBookUpdateAddressApiTest.php
+++ b/tests/Controller/AddressBook/AddressBookUpdateAddressApiTest.php
@@ -29,7 +29,7 @@ public function it_updates_address_in_address_book(): void
         $address = $addressRepository->findOneBy(['street' => 'Kupreska']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "New name",
             "lastName": "New lastName",
@@ -41,7 +41,7 @@ public function it_updates_address_in_address_book(): void
             "postcode": "2000",
             "phoneNumber": "0918972132"
         }
-EOT;
+JSON;
 
         $response = $this->updateAddress((string) $address->getId(), $data);
         $this->assertResponse($response, 'address_book/update_address', Response::HTTP_OK);
@@ -71,7 +71,7 @@ public function it_does_not_allow_to_update_address_if_country_or_province_code_
         $address = $addressRepository->findOneBy(['street' => 'Kupreska']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "New name",
             "lastName": "New lastName",
@@ -83,7 +83,7 @@ public function it_does_not_allow_to_update_address_if_country_or_province_code_
             "postcode": "2000",
             "phoneNumber": "0918972132"
         }
-EOT;
+JSON;
 
         $response = $this->updateAddress((string) $address->getId(), $data);
         $this->assertResponseCode($response, Response::HTTP_BAD_REQUEST);
@@ -103,7 +103,7 @@ public function it_does_not_allow_to_update_address_without_passing_required_dat
         $address = $addressRepository->findOneBy(['street' => 'Kupreska']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "",
             "lastName": "",
@@ -112,7 +112,7 @@ public function it_does_not_allow_to_update_address_without_passing_required_dat
             "city": "",
             "postcode": "",
         }
-EOT;
+JSON;
 
         $response = $this->updateAddress((string) $address->getId(), $data);
         $this->assertResponseCode($response, Response::HTTP_BAD_REQUEST);
diff --git a/tests/Controller/Cart/CartAddCouponShopApiTest.php b/tests/Controller/Cart/CartAddCouponShopApiTest.php
index e09a187da..2403c3ee2 100644
--- a/tests/Controller/Cart/CartAddCouponShopApiTest.php
+++ b/tests/Controller/Cart/CartAddCouponShopApiTest.php
@@ -27,11 +27,11 @@ public function it_allows_to_add_promotion_coupon_to_the_cart(): void
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "coupon": "BANANAS"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/carts/%s/coupon', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -69,11 +69,11 @@ public function it_does_not_allow_to_add_promotion_code_if_cart_does_not_exists(
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "coupon": "BANANAS"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', '/shop-api/carts/WRONGTOKEN/coupon', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -97,11 +97,11 @@ public function it_does_not_allow_to_add_promotion_code_if_promotion_code_does_n
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "coupon": "BANANAS"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/carts/%s/coupon', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -125,11 +125,11 @@ public function it_does_not_allow_to_add_promotion_code_if_code_is_invalid(): vo
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "coupon": "USED_BANANA"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/carts/%s/coupon', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -153,11 +153,11 @@ public function it_does_not_allow_to_add_promotion_code_if_related_promotion_is_
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "coupon": "PINEAPPLE"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/carts/%s/coupon', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Cart/CartChangeItemQuantityApiTest.php b/tests/Controller/Cart/CartChangeItemQuantityApiTest.php
index 7c9afefce..e42e85463 100644
--- a/tests/Controller/Cart/CartChangeItemQuantityApiTest.php
+++ b/tests/Controller/Cart/CartChangeItemQuantityApiTest.php
@@ -22,11 +22,11 @@ public function it_does_not_allow_to_change_quantity_if_cart_does_not_exists():
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 5
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items/1', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -48,11 +48,11 @@ public function it_changes_item_quantity(): void
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 3));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 5
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items/' . $this->getFirstOrderItemId($token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -74,11 +74,11 @@ public function it_does_not_allow_to_set_quantity_lower_than_one(): void
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 3));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 0
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items/' . $this->getFirstOrderItemId($token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -119,11 +119,11 @@ public function it_does_not_allow_to_change_quantity_if_cart_item_does_not_exist
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 5
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items/420', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
diff --git a/tests/Controller/Cart/CartPutItemToCartApiTest.php b/tests/Controller/Cart/CartPutItemToCartApiTest.php
index a3c6ce4df..16949ff31 100644
--- a/tests/Controller/Cart/CartPutItemToCartApiTest.php
+++ b/tests/Controller/Cart/CartPutItemToCartApiTest.php
@@ -32,12 +32,12 @@ public function it_adds_a_product_to_the_cart(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -58,12 +58,12 @@ public function it_increases_quantity_of_existing_item_if_the_same_product_is_ad
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 1
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
@@ -85,12 +85,12 @@ public function it_validates_if_product_is_simple_during_add_simple_product(): v
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -111,12 +111,12 @@ public function it_validates_if_quantity_is_larger_than_0_during_add_simple_prod
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 0
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -137,12 +137,12 @@ public function it_converts_quantity_as_an_integer_and_adds_simple_product(): vo
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": "3"
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -163,11 +163,11 @@ public function it_validates_if_product_code_is_defined_during_add_simple_produc
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -188,12 +188,12 @@ public function it_validates_if_product_exists_during_add_simple_product(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "BARBECUE_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -210,12 +210,12 @@ public function it_does_not_allow_to_add_product_if_cart_does_not_exists_during_
         $token = 'SDAOSLEFNWU35H3QLI5325';
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -264,12 +264,12 @@ public function it_does_not_allow_to_add_product_if_order_has_been_placed(): voi
         $bus->dispatch(new CompleteOrder($token, 'sylius@example.com'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $order->getTokenValue()), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -290,13 +290,13 @@ public function it_adds_a_product_variant_to_the_cart(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -317,13 +317,13 @@ public function it_increases_quantity_of_existing_item_if_the_same_variant_is_ad
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
@@ -345,13 +345,13 @@ public function it_validates_if_quantity_is_larger_than_0_during_add_variant_bas
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 0
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -372,13 +372,13 @@ public function it_converts_quantity_as_an_integer_and_adds_variant_based_config
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": "3"
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -399,12 +399,12 @@ public function it_validates_if_product_code_is_defined_during_add_variant_based
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -425,13 +425,13 @@ public function it_validates_if_product_exists_during_add_variant_based_configur
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "BARBECUE_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -452,13 +452,13 @@ public function it_validates_if_product_is_configurable_during_add_variant_based
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -479,13 +479,13 @@ public function it_validates_if_product_variant_exist_during_add_variant_based_c
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "BARBECUE_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -503,7 +503,7 @@ public function it_throws_an_exception_if_product_variant_has_not_been_found():
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "options": {
@@ -511,7 +511,7 @@ public function it_throws_an_exception_if_product_variant_has_not_been_found():
             },
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -532,7 +532,7 @@ public function it_adds_a_product_variant_based_on_options_to_the_cart(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "options": {
@@ -541,7 +541,7 @@ public function it_adds_a_product_variant_based_on_options_to_the_cart(): void
             },
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/carts/SDAOSLEFNWU35H3QLI5325/items', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -562,7 +562,7 @@ public function it_increases_quantity_of_existing_item_while_adding_the_same_pro
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "options": {
@@ -571,7 +571,7 @@ public function it_increases_quantity_of_existing_item_while_adding_the_same_pro
             },
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
@@ -587,12 +587,12 @@ public function it_creates_new_cart_when_token_is_not_passed(): void
         $this->loadFixturesFromFiles(['shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_MUG_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/carts/new/items', [], [], self::CONTENT_TYPE_HEADER, $data);
 
         $response = $this->client->getResponse();
diff --git a/tests/Controller/Cart/CartPutItemsToCartApiTest.php b/tests/Controller/Cart/CartPutItemsToCartApiTest.php
index d2d16eec6..0ea7b4148 100644
--- a/tests/Controller/Cart/CartPutItemsToCartApiTest.php
+++ b/tests/Controller/Cart/CartPutItemsToCartApiTest.php
@@ -25,7 +25,7 @@ public function it_adds_a_product_to_the_cart(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "items": [
                 {
@@ -47,7 +47,7 @@ public function it_adds_a_product_to_the_cart(): void
                 }
             ]
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/multiple-items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -68,7 +68,7 @@ public function it_does_nothing_if_any_of_requested_products_is_not_valid(): voi
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "items": [
                 {
@@ -89,7 +89,7 @@ public function it_does_nothing_if_any_of_requested_products_is_not_valid(): voi
                 }
             ]
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/multiple-items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $this->client->request('GET', sprintf('/shop-api/carts/%s', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
@@ -111,7 +111,7 @@ public function it_shows_validation_error_for_proper_product(): void
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "items": [
                 {
@@ -131,7 +131,7 @@ public function it_shows_validation_error_for_proper_product(): void
                 }
             ]
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/multiple-items', $token), [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -146,7 +146,7 @@ public function it_creates_new_cart_when_token_is_not_passed(): void
         $this->loadFixturesFromFiles(['shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "items": [
                 {
@@ -168,7 +168,7 @@ public function it_creates_new_cart_when_token_is_not_passed(): void
                 }
             ]
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/carts/new/multiple-items', [], [], self::CONTENT_TYPE_HEADER, $data);
 
         $response = $this->client->getResponse();
diff --git a/tests/Controller/Cart/CartSummarizeApiTest.php b/tests/Controller/Cart/CartSummarizeApiTest.php
index 7beacaa20..774663279 100644
--- a/tests/Controller/Cart/CartSummarizeApiTest.php
+++ b/tests/Controller/Cart/CartSummarizeApiTest.php
@@ -123,7 +123,7 @@ public function it_shows_summary_of_a_cart_filled_with_a_product_with_variant():
         $bus->dispatch(new PickupCart($token, 'WEB_GB'));
 
         $variantWithOptions =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "options": {
@@ -132,16 +132,16 @@ public function it_shows_summary_of_a_cart_filled_with_a_product_with_variant():
             },
             "quantity": 3
         }
-EOT;
+JSON;
 
         $regularVariant =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_T_SHIRT_CODE",
             "variantCode": "SMALL_LOGAN_T_SHIRT_CODE",
             "quantity": 3
         }
-EOT;
+JSON;
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $regularVariant);
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $variantWithOptions);
 
@@ -165,7 +165,7 @@ public function it_shows_summary_of_a_cart_filled_with_a_product_with_variant_in
         $bus->dispatch(new PickupCart($token, 'WEB_DE'));
 
         $variantWithOptions =
-<<<EOT
+<<<JSON
         {
             "productCode": "LOGAN_HAT_CODE",
             "options": {
@@ -174,7 +174,7 @@ public function it_shows_summary_of_a_cart_filled_with_a_product_with_variant_in
             },
             "quantity": 3
         }
-EOT;
+JSON;
 
         $this->client->request('POST', sprintf('/shop-api/carts/%s/items', $token), [], [], self::CONTENT_TYPE_HEADER, $variantWithOptions);
 
diff --git a/tests/Controller/Checkout/CheckoutAddressApiTest.php b/tests/Controller/Checkout/CheckoutAddressApiTest.php
index 0e0a94b30..0e386657a 100644
--- a/tests/Controller/Checkout/CheckoutAddressApiTest.php
+++ b/tests/Controller/Checkout/CheckoutAddressApiTest.php
@@ -21,7 +21,7 @@ public function it_does_not_allow_to_address_non_existing_order(): void
         $this->loadFixturesFromFiles(['shop.yml', 'country.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -33,7 +33,7 @@ public function it_does_not_allow_to_address_non_existing_order(): void
                 "provinceName": "Greater London"
             }
         }
-EOT;
+JSON;
 
         $response = $this->address('WRONGTOKEN', $data);
         $this->assertResponse($response, 'cart/validation_cart_not_exists_response', Response::HTTP_BAD_REQUEST);
@@ -54,7 +54,7 @@ public function it_allows_to_address_order_with_the_same_shipping_and_billing_ad
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -66,7 +66,7 @@ public function it_allows_to_address_order_with_the_same_shipping_and_billing_ad
                 "provinceName": "Greater London"
             }
         }
-EOT;
+JSON;
 
         $response = $this->address($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
@@ -87,7 +87,7 @@ public function it_allows_to_address_order_with_the_same_shipping_and_billing_ad
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -98,7 +98,7 @@ public function it_allows_to_address_order_with_the_same_shipping_and_billing_ad
                 "postcode": "NW1"
             }
         }
-EOT;
+JSON;
 
         $response = $this->address($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
@@ -119,7 +119,7 @@ public function it_allows_to_address_order_with_different_shipping_and_billing_a
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -140,7 +140,7 @@ public function it_allows_to_address_order_with_different_shipping_and_billing_a
                 "provinceName": "Greater London"
             }
         }
-EOT;
+JSON;
 
         $response = $this->address($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
@@ -164,7 +164,7 @@ public function changing_address_does_not_fill_up_database()
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -176,14 +176,14 @@ public function changing_address_does_not_fill_up_database()
                 "provinceName": "Greater London"
             }
         }
-EOT;
+JSON;
 
         $this->address($token, $data);
 
         $firstAddressCount = count($addressRepository->findAll());
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "John",
@@ -195,7 +195,7 @@ public function changing_address_does_not_fill_up_database()
                 "provinceName": "Greater London"
             }
         }
-EOT;
+JSON;
 
         $response = $this->address($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
diff --git a/tests/Controller/Checkout/CheckoutChoosePaymentMethodApiTest.php b/tests/Controller/Checkout/CheckoutChoosePaymentMethodApiTest.php
index 2fa2f79d2..d2a526297 100644
--- a/tests/Controller/Checkout/CheckoutChoosePaymentMethodApiTest.php
+++ b/tests/Controller/Checkout/CheckoutChoosePaymentMethodApiTest.php
@@ -51,11 +51,11 @@ public function it_allows_to_choose_payment_method(): void
         $bus->dispatch(new ChooseShippingMethod($token, 0, 'DHL'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "method": "PBC"
         }
-EOT;
+JSON;
 
         $this->client->request(
             'PUT',
diff --git a/tests/Controller/Checkout/CheckoutChooseShippingMethodApiTest.php b/tests/Controller/Checkout/CheckoutChooseShippingMethodApiTest.php
index 1aaeae348..ae0e95f23 100644
--- a/tests/Controller/Checkout/CheckoutChooseShippingMethodApiTest.php
+++ b/tests/Controller/Checkout/CheckoutChooseShippingMethodApiTest.php
@@ -49,11 +49,11 @@ public function it_allows_to_choose_shipping_method(): void
         ));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "method": "DHL"
         }
-EOT;
+JSON;
 
         $this->client->request(
             'PUT',
diff --git a/tests/Controller/Checkout/CheckoutCompleteOrderApiTest.php b/tests/Controller/Checkout/CheckoutCompleteOrderApiTest.php
index 7342d28bc..135bbbc9d 100644
--- a/tests/Controller/Checkout/CheckoutCompleteOrderApiTest.php
+++ b/tests/Controller/Checkout/CheckoutCompleteOrderApiTest.php
@@ -56,11 +56,11 @@ public function it_allows_to_complete_checkout(): void
         $bus->dispatch(new ChoosePaymentMethod($token, 0, 'PBC'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "email": "example@cusomer.com"
         }
-EOT;
+JSON;
 
         $response = $this->complete($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
@@ -103,12 +103,12 @@ public function it_allows_to_complete_checkout_with_notes(): void
         $bus->dispatch(new ChoosePaymentMethod($token, 0, 'PBC'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "email": "example@cusomer.com",
             "notes": "BRING IT AS FAST AS YOU CAN, PLEASE!"
         }
-EOT;
+JSON;
 
         $response = $this->complete($token, $data);
         $this->assertResponseCode($response, Response::HTTP_NO_CONTENT);
@@ -193,12 +193,12 @@ public function it_disallows_users_to_complete_checkout_for_user_with_account_wi
         $bus->dispatch(new ChoosePaymentMethod($token, 0, 'PBC'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "email": "oliver@queen.com",
             "notes": "BRING IT AS FAST AS YOU CAN, PLEASE!"
         }
-EOT;
+JSON;
 
         $response = $this->complete($token, $data);
         $this->assertResponseCode($response, Response::HTTP_UNAUTHORIZED);
@@ -243,11 +243,11 @@ public function it_disallows_users_to_complete_checkout_for_someone_else(): void
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "email": "example@cusomer.com"
         }
-EOT;
+JSON;
 
         $response = $this->complete($token, $data);
         $this->assertResponseCode($response, Response::HTTP_UNAUTHORIZED);
diff --git a/tests/Controller/Checkout/CheckoutSummarizeApiTest.php b/tests/Controller/Checkout/CheckoutSummarizeApiTest.php
index b32bb4859..94d845ebd 100644
--- a/tests/Controller/Checkout/CheckoutSummarizeApiTest.php
+++ b/tests/Controller/Checkout/CheckoutSummarizeApiTest.php
@@ -32,7 +32,7 @@ public function it_shows_an_order_with_same_shipping_and_billing_address_with_pr
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -46,7 +46,7 @@ public function it_shows_an_order_with_same_shipping_and_billing_address_with_pr
                 "phoneNumber": "999"
             }
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/checkout/%s/address', $token), [], [], static::CONTENT_TYPE_HEADER, $data);
 
@@ -69,7 +69,7 @@ public function it_shows_an_order_with_different_shipping_and_billing_address_wi
         $bus->dispatch(new PutSimpleItemToCart($token, 'LOGAN_MUG_CODE', 5));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "shippingAddress": {
                 "firstName": "Sherlock",
@@ -94,7 +94,7 @@ public function it_shows_an_order_with_different_shipping_and_billing_address_wi
                 "phoneNumber": "111"
             }
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/checkout/%s/address', $token), [], [], static::CONTENT_TYPE_HEADER, $data);
 
@@ -138,11 +138,11 @@ public function it_shows_an_order_with_chosen_shipment(): void
         ));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "method": "DHL"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/checkout/%s/shipping/0', $token), [], [], static::CONTENT_TYPE_HEADER, $data);
 
@@ -186,11 +186,11 @@ public function it_modifies_shipping_cost_when_changing_item_quantity(): void
         ));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "method": "FED-EX"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/checkout/%s/shipping/0', $token), [], [], static::CONTENT_TYPE_HEADER, $data);
 
@@ -206,11 +206,11 @@ public function it_modifies_shipping_cost_when_changing_item_quantity(): void
         $orderItem = $order->getItems()->first();
 
         $data =
-<<<EOT
+<<<JSON
         {
             "quantity": 2
         }
-EOT;
+JSON;
         $this->client->request('PUT', sprintf('/shop-api/carts/%s/items/%d', $token, $orderItem->getId()), [], [], static::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -254,11 +254,11 @@ public function it_shows_an_order_with_chosen_payment(): void
         $bus->dispatch(new ChooseShippingMethod($token, 0, 'DHL'));
 
         $data =
-<<<EOT
+<<<JSON
         {
             "method": "PBC"
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', sprintf('/shop-api/checkout/%s/payment/0', $token), [], [], static::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Customer/CustomerLoginApiTest.php b/tests/Controller/Customer/CustomerLoginApiTest.php
index 07fde3d86..6ad2810f5 100644
--- a/tests/Controller/Customer/CustomerLoginApiTest.php
+++ b/tests/Controller/Customer/CustomerLoginApiTest.php
@@ -21,12 +21,12 @@ public function it_allows_to_log_customer_in(): void
         $this->loadFixturesFromFiles(['customer.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "_username": "oliver@queen.com",
             "_password": "123password"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/login_check', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -40,7 +40,7 @@ public function it_allows_to_log_customer_in(): void
     public function it_requires_to_verify_email_address_for_newly_created_customers(): void
     {
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
@@ -52,17 +52,17 @@ public function it_requires_to_verify_email_address_for_newly_created_customers(
                 }
             }
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "_username": "vinny@fandf.com",
             "_password": "somepass"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/login_check', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Customer/CustomerRegisterApiTest.php b/tests/Controller/Customer/CustomerRegisterApiTest.php
index 4260837bc..1bbf63121 100644
--- a/tests/Controller/Customer/CustomerRegisterApiTest.php
+++ b/tests/Controller/Customer/CustomerRegisterApiTest.php
@@ -24,14 +24,14 @@ public function it_allows_to_register_in_shop_and_sends_a_verification_email_if_
         $this->loadFixturesFromFiles(['channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
             "email": "vinny@fandf.com",
             "plainPassword": "bananas1234"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -58,14 +58,14 @@ public function it_allows_to_register_in_shop_and_automatically_enables_user_if_
         $this->loadFixturesFromFiles(['channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
             "email": "vinny@fandf.com",
             "plainPassword": "12345password"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', 'http://web-de.com/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -99,14 +99,14 @@ public function it_does_not_allow_to_register_in_shop_if_email_is_already_taken(
         $this->loadFixturesFromFiles(['customer.yml', 'channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Oliver",
             "lastName": "Queen",
             "email": "oliver@queen.com",
             "plainPassword": "somepass"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -123,13 +123,13 @@ public function it_does_not_allow_to_register_in_shop_without_passing_required_d
         $this->loadFixturesFromFiles(['channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
             "plainPassword": "somepass"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Customer/CustomerResendVerificationTokenApiTest.php b/tests/Controller/Customer/CustomerResendVerificationTokenApiTest.php
index 25586554a..8702b3806 100644
--- a/tests/Controller/Customer/CustomerResendVerificationTokenApiTest.php
+++ b/tests/Controller/Customer/CustomerResendVerificationTokenApiTest.php
@@ -22,14 +22,14 @@ public function it_allows_to_resend_verification_token(): void
         $this->loadFixturesFromFiles(['channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
             "email": "vinny@fandf.com",
             "plainPassword": "somepass"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Customer/CustomerResetPasswordApiTest.php b/tests/Controller/Customer/CustomerResetPasswordApiTest.php
index a942f2bde..bde927947 100644
--- a/tests/Controller/Customer/CustomerResetPasswordApiTest.php
+++ b/tests/Controller/Customer/CustomerResetPasswordApiTest.php
@@ -33,14 +33,14 @@ public function it_allows_to_reset_customer_password(): void
         $user = $userRepository->findOneByEmail('oliver@queen.com');
 
         $newPasswords =
-<<<EOT
+<<<JSON
         {
             "password" : {
                 "first": "somepass",
                 "second": "somepass"
             }
         }
-EOT;
+JSON;
 
         $this->client->request('PUT', '/shop-api/password-reset/' . $user->getPasswordResetToken(), [], [], self::CONTENT_TYPE_HEADER, $newPasswords);
 
diff --git a/tests/Controller/Customer/CustomerUpdateCustomerApiTest.php b/tests/Controller/Customer/CustomerUpdateCustomerApiTest.php
index ff26994a9..52b12208b 100644
--- a/tests/Controller/Customer/CustomerUpdateCustomerApiTest.php
+++ b/tests/Controller/Customer/CustomerUpdateCustomerApiTest.php
@@ -27,7 +27,7 @@ public function it_updates_customer(): void
         $customerRepository = $this->get('sylius.repository.customer');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "New name",
             "lastName": "New lastName",
@@ -37,7 +37,7 @@ public function it_updates_customer(): void
             "phoneNumber": "0918972132",
             "subscribedToNewsletter": true
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/me', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
         $this->assertResponse($response, 'customer/update_customer', Response::HTTP_OK);
@@ -62,7 +62,7 @@ public function it_does_not_allow_to_update_customer_without_being_logged_in():
         $this->loadFixturesFromFiles(['channel.yml', 'customer.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "New name",
             "lastName": "New lastName",
@@ -72,7 +72,7 @@ public function it_does_not_allow_to_update_customer_without_being_logged_in():
             "phoneNumber": "0918972132",
             "subscribedToNewsletter": true
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/me', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
         $this->assertResponseCode($response, Response::HTTP_INTERNAL_SERVER_ERROR);
@@ -87,7 +87,7 @@ public function it_does_not_allow_to_update_customer_without_passing_required_da
         $this->logInUser('oliver@queen.com', '123password');
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "",
             "lastName": "",
@@ -95,7 +95,7 @@ public function it_does_not_allow_to_update_customer_without_passing_required_da
             "gender": "",
             "phoneNumber": ""
         }
-EOT;
+JSON;
         $this->client->request('PUT', '/shop-api/me', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
         $this->assertResponse($response, 'customer/validation_empty_data', Response::HTTP_BAD_REQUEST);
diff --git a/tests/Controller/Customer/CustomerVerifyApiTest.php b/tests/Controller/Customer/CustomerVerifyApiTest.php
index 7bdc89e14..5e272c679 100644
--- a/tests/Controller/Customer/CustomerVerifyApiTest.php
+++ b/tests/Controller/Customer/CustomerVerifyApiTest.php
@@ -22,14 +22,14 @@ public function it_allows_to_verify_customer(): void
         $this->loadFixturesFromFiles(['channel.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "firstName": "Vin",
             "lastName": "Diesel",
             "email": "vinny@fandf.com",
             "plainPassword": "somepass"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/register', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Customer/LoggedInCustomerDetailsActionTest.php b/tests/Controller/Customer/LoggedInCustomerDetailsActionTest.php
index b39b686fc..760972962 100644
--- a/tests/Controller/Customer/LoggedInCustomerDetailsActionTest.php
+++ b/tests/Controller/Customer/LoggedInCustomerDetailsActionTest.php
@@ -17,12 +17,12 @@ public function it_shows_currently_logged_in_customer_details(): void
         $this->loadFixturesFromFiles(['channel.yml', 'customer.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "_username": "oliver@queen.com",
             "_password": "123password"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/login_check', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Product/ProductAddReviewByCodeApiTest.php b/tests/Controller/Product/ProductAddReviewByCodeApiTest.php
index 7d54d5732..2bc230ce3 100644
--- a/tests/Controller/Product/ProductAddReviewByCodeApiTest.php
+++ b/tests/Controller/Product/ProductAddReviewByCodeApiTest.php
@@ -17,14 +17,14 @@ public function it_adds_review_to_product(): void
         $this->loadFixturesFromFiles(['shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "title": "Awesome product",
             "rating": 5,
             "comment": "If I were a mug, I would like to be like this one!",
             "email": "oliver@example.com"
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/products/by-code/LOGAN_MUG_CODE/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -39,14 +39,14 @@ public function it_adds_review_to_the_product_for_registered_user(): void
         $this->loadFixturesFromFiles(['shop.yml', 'customer.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "title": "Awesome product",
             "rating": 5,
             "comment": "If I were a mug, I would like to be like this one!",
             "email": "oliver@example.com"
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/products/by-code/LOGAN_MUG_CODE/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -61,7 +61,7 @@ public function it_does_not_allow_to_add_review_when_rating_is_out_of_bounds():
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "comment": "Hello",
             "rating": 100,
@@ -69,7 +69,7 @@ public function it_does_not_allow_to_add_review_when_rating_is_out_of_bounds():
             "title": "Testing",
             "code": "LOGAN_MUG_CODE"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/products/by-code/LOGAN_MUG_CODE/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -85,7 +85,7 @@ public function it_does_not_allow_to_add_review_when_email_is_not_valid(): void
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "comment": "Hello",
             "rating": 4,
@@ -93,7 +93,7 @@ public function it_does_not_allow_to_add_review_when_email_is_not_valid(): void
             "title": "Testing",
             "code": "LOGAN_MUG_CODE"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/products/by-code/LOGAN_MUG_CODE/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Product/ProductAddReviewBySlugApiTest.php b/tests/Controller/Product/ProductAddReviewBySlugApiTest.php
index af55f888e..f722a73f1 100644
--- a/tests/Controller/Product/ProductAddReviewBySlugApiTest.php
+++ b/tests/Controller/Product/ProductAddReviewBySlugApiTest.php
@@ -17,14 +17,14 @@ public function it_adds_review_to_product(): void
         $this->loadFixturesFromFiles(['shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "title": "Awesome product",
             "rating": 5,
             "comment": "If I were a mug, I would like to be like this one!",
             "email": "oliver@example.com"
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/products/by-slug/logan-mug/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -39,14 +39,14 @@ public function it_adds_review_to_the_product_for_registered_user(): void
         $this->loadFixturesFromFiles(['shop.yml', 'customer.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "title": "Awesome product",
             "rating": 5,
             "comment": "If I were a mug, I would like to be like this one!",
             "email": "oliver@example.com"
         }
-EOT;
+JSON;
         $this->client->request('POST', '/shop-api/products/by-slug/logan-mug/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
         $response = $this->client->getResponse();
 
@@ -61,14 +61,14 @@ public function it_does_not_allow_to_add_review_when_rating_is_out_of_bounds():
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "comment": "Hello",
             "rating": 100,
             "email": "test@test.com",
             "title": "Testing"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/products/by-slug/mug/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
 
@@ -84,14 +84,14 @@ public function it_does_not_allow_to_add_review_when_rating_email_is_not_valid()
         $this->loadFixturesFromFiles(['channel.yml', 'shop.yml']);
 
         $data =
-<<<EOT
+<<<JSON
         {
             "comment": "Hello",
             "rating": 4,
             "email": "test.com",
             "title": "Testing"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/products/by-slug/mug/reviews', [], [], self::CONTENT_TYPE_HEADER, $data);
 
diff --git a/tests/Controller/Utils/ShopUserLoginTrait.php b/tests/Controller/Utils/ShopUserLoginTrait.php
index 5a846a513..ed65bb785 100644
--- a/tests/Controller/Utils/ShopUserLoginTrait.php
+++ b/tests/Controller/Utils/ShopUserLoginTrait.php
@@ -16,12 +16,12 @@ trait ShopUserLoginTrait
     protected function logInUser(string $username, string $password): void
     {
         $data =
-<<<EOT
+<<<JSON
         {
             "_username": "$username",
             "_password": "$password"
         }
-EOT;
+JSON;
 
         $this->client->request('POST', '/shop-api/login_check', [], [], ['CONTENT_TYPE' => 'application/json', 'ACCEPT' => 'application/json'], $data);
         Assert::assertSame($this->client->getResponse()->getStatusCode(), Response::HTTP_OK);