public function setup()
 {
     global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
     parent::setup();
     $wgExtraNamespaces[12312] = 'Dummy';
     $wgExtraNamespaces[12313] = 'Dummy_talk';
     $wgNamespaceContentModels[12312] = "testing";
     $wgContentHandlers["testing"] = 'DummyContentHandlerForTesting';
     MWNamespace::getCanonicalNamespaces(true);
     # reset namespace cache
     $wgContLang->resetNamespaces();
     # reset namespace cache
     $this->doLogin();
 }