public function testRegister()
 {
     $files = ['task91'];
     foreach ($files as $f) {
         if (file_exists("/tmp/{$f}")) {
             unlink("/tmp/{$f}");
         }
     }
     $task = new OnetimeTask();
     $task->cliCommand('touch', ['/tmp/task91']);
     $this->assertTrue($task->registerTask());
     $time = time() + 120;
     echo "Running {$time} = " . date("Y-m-d H:i:s", $time) . "\n";
     $this->assertInstanceOf(DeferredQueue::className(), $task->model());
     Yii::$app->runAction('deferred/index', [0, $time, 1]);
     echo "Checking\n";
     $this->assertTrue(file_exists('/tmp/task91'));
 }