diff --git a/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetPaymentMethodOnCartTest.php b/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetPaymentMethodOnCartTest.php
index dc970c3ab58..51c48f5041d 100644
--- a/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetPaymentMethodOnCartTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetPaymentMethodOnCartTest.php
@@ -205,7 +205,7 @@ public function dataProviderSetPaymentMethodWithoutRequiredParameters(): array
     {
         return [
             'missed_cart_id' => [
-                'payment_method: {code: "'.Checkmo::PAYMENT_METHOD_CHECKMO_CODE.'"}',
+                'payment_method: {code: "' . Checkmo::PAYMENT_METHOD_CHECKMO_CODE . '"}',
                 'Required parameter "cart_id" is missing.'
             ],
             'missed_payment_method' => [
@@ -213,7 +213,7 @@ public function dataProviderSetPaymentMethodWithoutRequiredParameters(): array
                 'Required parameter "code" for "payment_method" is missing.'
             ],
             'missed_payment_method_code' => [
-                'cart_id: "test",payment_method: {code: ""}',
+                'cart_id: "test", payment_method: {code: ""}',
                 'Required parameter "code" for "payment_method" is missing.'
             ],
         ];
diff --git a/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetPaymentMethodOnCartTest.php b/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetPaymentMethodOnCartTest.php
index 6b6bf04b837..017b85ba17b 100644
--- a/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetPaymentMethodOnCartTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetPaymentMethodOnCartTest.php
@@ -159,7 +159,7 @@ public function dataProviderSetPaymentMethodWithoutRequiredParameters(): array
     {
         return [
             'missed_cart_id' => [
-                'payment_method: {code: "'.Checkmo::PAYMENT_METHOD_CHECKMO_CODE.'"}',
+                'payment_method: {code: "' . Checkmo::PAYMENT_METHOD_CHECKMO_CODE . '"}',
                 'Required parameter "cart_id" is missing.'
             ],
             'missed_payment_method' => [
@@ -167,7 +167,7 @@ public function dataProviderSetPaymentMethodWithoutRequiredParameters(): array
                 'Required parameter "code" for "payment_method" is missing.'
             ],
             'missed_payment_method_code' => [
-                'cart_id: "test",payment_method: {code: ""}',
+                'cart_id: "test", payment_method: {code: ""}',
                 'Required parameter "code" for "payment_method" is missing.'
             ],
         ];