public function tearDown() { WorkflowFactory::clearInstance(); UserManager::clearInstance(); unset($this->site_admin_user); unset($this->project_admin_user); unset($this->all_trackers_admin_user); unset($this->tracker1_admin_user); unset($this->tracker2_admin_user); unset($this->project_member_user); unset($this->registered_user); unset($this->anonymous); unset($this->registered); unset($this->project_member); unset($this->project_admin); unset($this->super_admin); unset($this->tracker_submitter); unset($this->tracker_assignee); unset($this->tracker_submitterassignee); unset($this->tracker_admin); parent::tearDown(); }