public function testDelete() {
		$key = 'delete_key';
		$data = 'data to delete';
		$time = strtotime('+1 minute');

		$result = $this->_redis->set($key, $data);
		$this->assertTrue($result);

		$closure = $this->redis->delete($key);
		$this->assertTrue(is_callable($closure));

		$params = compact('key');
		$result = $closure($this->redis, $params, null);
		$this->assertTrue($result);

		$this->assertFalse($this->_redis->delete($key));
	}