MAGETWO-90764: [2.3.0] Cannot cancel orders with an expired authorization for Braintree

Author: OlgaVasyltsun

app/code/Magento/Braintree/Gateway/Validator/CancelResponseValidator.php

@@ -15,6 +15,8 @@
 use Magento\Braintree\Gateway\SubjectReader;
 
 /**
+ * Decorates the general response validator to handle specific cases.
+ *
  * This validator decorates the general response validator to handle specific cases like
  * an expired or already voided on Braintree side authorization transaction.
  */

app/code/Magento/Braintree/Test/Unit/Gateway/SubjectReaderTest.php

@@ -126,7 +126,7 @@ public function testReadTransaction(): void
      * @expectedException \InvalidArgumentException
      * @return void
      */
-    public function testReadTransactionWithInvalidResponse(array $response, string $expectedMessage):void
+    public function testReadTransactionWithInvalidResponse(array $response, string $expectedMessage): void
     {
         $this->expectExceptionMessage($expectedMessage);
         $this->subjectReader->readTransaction($response);

app/code/Magento/Braintree/Test/Unit/Gateway/Validator/CancelResponseValidatorTest.php

@@ -101,7 +101,7 @@ public function testValidateExpiredTransaction(): void
                 [
                     'code' => 91504,
                     'message' => 'Transaction can only be voided if status is authorized.',
-                ]
+                ],
             ],
         ];
         $buildSubject = [