protected function tearDown()
 {
     $this->redisClient->shouldReceive('del')->times(1)->andReturn(1);
     $this->storage->purgeList($this->fireTime);
 }
 protected function tearDown()
 {
     $this->redisStorage->shouldReceive('purgeList')->times(1)->andReturn(true);
     $this->redisStorage->purgeList($this->fireTime);
 }