MQE-1373: Cannot Use Data Returned By Test Actions As Substitutable Value Inside Parameterized Selector From Within Action Group

to replace custom field key in create data
fixed regex to include action group parameter references
fixed test generator to make full word replacement of stepKey references

Author: soumyau

src/Magento/FunctionalTestingFramework/Test/Objects/ActionGroupObject.php

@@ -226,7 +226,7 @@ private function resolveAttributesWithArguments($arguments, $attributes)
         // $regexPattern match on:   $matches[0] {{section.element(arg.field)}}
         // $matches[1] = section.element
         // $matches[2] = arg.field
-        $regexPattern = '/{{([^(}]+)\(*([^)}]+)*\)*}}/';
+        $regexPattern = '/{{([^(}]+)\(*([^)]+)*?\)*}}/';
 
         $newActionAttributes = [];
         foreach ($attributes as $attributeKey => $attributeValue) {

src/Magento/FunctionalTestingFramework/Util/TestGenerator.php

@@ -1483,7 +1483,7 @@ private function resolveStepKeyReferences($input, $actionGroupOrigin, $matchAll
                 . $stepKey . $testInvocationKey . "', 'field', 'test')";
 
             if (strpos($output, $stepKeyVarRef) !== false) {
-                $output = str_replace($stepKeyVarRef, $stepKeyVarRef . $testInvocationKey, $output);
+                $output = preg_replace('/\B\\' .$stepKeyVarRef. '\b/', $stepKeyVarRef . $testInvocationKey, $output);
             }
 
             if (strpos($output, $persistedVarRef) !== false) {