Change getOtp to pass input along, adjust docblock to show it's optional

Author: fooman

src/Magento/FunctionalTestingFramework/DataTransport/Auth/Tfa/OTP.php

@@ -27,7 +27,7 @@ class OTP
     /**
      * Return OTP for custom secret stored in `magento/tfa/OTP_SHARED_SECRET`
      *
-     * @param string $path
+     * @param string|null $path
      * @return string
      * @throws TestFrameworkException
      */

src/Magento/FunctionalTestingFramework/Module/MagentoWebDriver.php

@@ -970,7 +970,7 @@ public function makeScreenshot($name = null)
     /**
      * Return OTP based on a shared secret
      *
-     * @param string $secretsPath
+     * @param string|null $secretsPath
      * @return string
      * @throws TestFrameworkException
      */

src/Magento/FunctionalTestingFramework/Util/TestGenerator.php

@@ -1262,7 +1262,8 @@ public function generateStepsPhp($actionObjects, $generationScope = TestGenerato
                     $testSteps .= $this->wrapFunctionCallWithReturnValue(
                         $stepKey,
                         $actor,
-                        $actionObject
+                        $actionObject,
+                        $input
                     );
                     break;
                 case "resizeWindow":