MTA-2766: Prepare 'green' extended functional acceptance tests scope

Author: lanken

dev/tests/functional/tests/app/Magento/Cms/Test/Block/Adminhtml/Page/Edit/PageForm.php

@@ -63,7 +63,7 @@ public function getSystemVariables()
      * Open tab.
      *
      * @param string $tabName
-     * @return FormTabs
+     * @return PageForm
      */
     public function openTab($tabName)
     {

dev/tests/functional/tests/app/Magento/Cms/Test/TestCase/CreateCmsPageEntityTest.php

@@ -29,7 +29,7 @@ class CreateCmsPageEntityTest extends Injectable
     /* tags */
     const MVP = 'yes';
     const DOMAIN = 'PS';
-    const TEST_TYPE = 'acceptance_test';
+    const TEST_TYPE = 'acceptance_test, extended_acceptance_test';
     /* end tags */
 
     /**

dev/tests/functional/tests/app/Magento/Cms/Test/TestCase/CreateCmsPageEntityTest.xml

@@ -14,7 +14,7 @@
             <data name="data/identifier" xsi:type="string">identifier-%isolation%</data>
             <data name="data/store_id" xsi:type="string">All Store Views</data>
             <data name="data/content/content" xsi:type="string">cms_page_text_content%isolation%</data>
-            <data name="tag" xsi:type="string">test_type:acceptance_test</data>
+            <data name="tag" xsi:type="string">test_type:acceptance_test, test_type:extended_acceptance_test</data>
             <constraint name="Magento\Cms\Test\Constraint\AssertCmsPageSuccessSaveMessage" />
             <constraint name="Magento\Cms\Test\Constraint\AssertCmsPageInGrid" />
             <constraint name="Magento\Cms\Test\Constraint\AssertCmsPagePreview" />