MQE-359

Removed addslashes, added replace of " to \" since " is read in a " via the xml parser.

(cherry picked from commit c7c7bc9)

Author: KevinBKozan

src/Magento/FunctionalTestingFramework/Util/TestGenerator.php

@@ -996,7 +996,8 @@ private function wrapWithSingleQuotes($input)
         if (empty($input)) {
             return '';
         }
-        $input = addslashes($input);
+        //Only replace " with \" so that it doesn't break outer string.
+        $input = str_replace('"', '\"', $input);
         return sprintf('"%s"', $input);
     }