/**
  * @return RecentChange
  */
 private function getCategorizationChange($timestamp, $thisId, $lastId)
 {
     $wikiPage = new WikiPage(Title::newFromText('Testpage'));
     $wikiPage->doEditContent(new WikitextContent('Some random text'), 'page created');
     $wikiPage = new WikiPage(Title::newFromText('Category:Foo'));
     $wikiPage->doEditContent(new WikitextContent('Some random text'), 'category page created');
     $user = $this->getTestUser();
     $recentChange = $this->testRecentChangesHelper->makeCategorizationRecentChange($user, 'Category:Foo', $wikiPage->getId(), $thisId, $lastId, $timestamp);
     return $recentChange;
 }