VC-2522 fix php unit test

Author: OlegApanovich

Diff for: tests/phpunit/modules/Editors/PostUpdateTest.php

@@ -29,6 +29,7 @@ public function testGetRequiredActions()
                     'id' => $postId,
                     'editableLink' => $editableUrl,
                     'name' => 'Untitled',
+                    'postType' => 'default',
                 ],
             ],
         ];