- Fix CR notes

Author: ameysar

src/Magento/FunctionalTestingFramework/DataGenerator/Handlers/OperationDefinitionObjectHandler.php

@@ -145,7 +145,7 @@ private function initialize()
             $auth = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_AUTH] ?? null;
             $successRegex = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_SUCCESS_REGEX] ?? null;
             $returnRegex = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_RETURN_REGEX] ?? null;
-            $returnIndex = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_RETURN_INDEX] ?? null;
+            $returnIndex = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_RETURN_INDEX] ?? 0;
             $contentType = $opDefArray[OperationDefinitionObjectHandler::ENTITY_OPERATION_CONTENT_TYPE][0]['value']
                 ?? null;
             $headers = $this->initializeHeaders($opDefArray);

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/Curl/AdminExecutor.php

@@ -159,9 +159,7 @@ public function read($successRegex = null, $returnRegex = null, $returnIndex = n
         if (!empty($returnRegex)) {
             preg_match($returnRegex, $this->response, $returnMatches);
             if (!empty($returnMatches)) {
-                return isset($returnIndex, $returnMatches[$returnIndex])
-                    ? $returnMatches[$returnIndex]
-                    : $returnMatches;
+                return $returnMatches[$returnIndex] ?? $returnMatches[0];
             }
         }
         return $this->response;

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/Curl/FrontendExecutor.php

@@ -180,9 +180,7 @@ public function read($successRegex = null, $returnRegex = null, $returnIndex = n
         if (!empty($returnRegex)) {
             preg_match($returnRegex, $this->response, $returnMatches);
             if (!empty($returnMatches)) {
-                return isset($returnIndex, $returnMatches[$returnIndex])
-                    ? $returnMatches[$returnIndex]
-                    : $returnMatches;
+                return $returnMatches[$returnIndex] ?? $returnMatches[0];
             }
         }
         return $this->response;