MQE-761: Generation of _failed method with createData action will lead test execution to fatal error

- fix missed unit test and phpDOC

Author: imeron2433

dev/tests/unit/Magento/FunctionalTestFramework/Test/Handlers/TestObjectHandlerTest.php

@@ -58,8 +58,8 @@ public function testGetTestObject()
             []
         );
         $expectedFailedActionObject = new ActionObject(
-            $testDataArrayBuilder->testActionAfterName,
-            $testDataArrayBuilder->testActionType,
+            'saveScreenshot',
+            'saveScreenshot',
             []
         );
 
@@ -95,7 +95,7 @@ public function testGetTestObject()
                 TestObjectExtractor::TEST_AFTER_HOOK => $expectedAfterHookObject,
                 TestObjectExtractor::TEST_FAILED_HOOK => $expectedFailedHookObject
             ],
-            []
+            null
         );
 
         $this->assertEquals($expectedTestObject, $actualTestObject);

src/Magento/FunctionalTestingFramework/Test/Util/TestHookObjectExtractor.php

@@ -54,10 +54,16 @@ public function extractHook($parentName, $hookType, $testHook)
         return $hook;
     }
 
+    /**
+     * Creates the default failed hook object with a single saveScreenshot action.
+     *
+     * @param string $parentName
+     * @return TestHookObject
+     */
     public function createDefaultFailedHook($parentName)
     {
 
-        $saveScreenshotStep = ["saveScreenshot" => new ActionObject("saveScreenshot", "saveScreenshot", [])];
+        $saveScreenshotStep = [new ActionObject("saveScreenshot", "saveScreenshot", [])];
 
         $hook = new TestHookObject(
             TestObjectExtractor::TEST_FAILED_HOOK,

src/Magento/FunctionalTestingFramework/Test/Util/TestObjectExtractor.php

@@ -99,7 +99,7 @@ public function extractTestData($testData)
 
             // extract failed
             $testHooks[self::TEST_FAILED_HOOK] = $this->testHookObjectExtractor->createDefaultFailedHook(
-                $testData[self::TEST_AFTER_HOOK]
+                $testData[self::NAME]
             );
         }