public function testRabbitMQ()
{
$check = new RabbitMQ();
$result = $check->check();
$this->assertInstanceOf('ZendDiagnostics\\Result\\Success', $result);
$check = new RabbitMQ('127.0.0.250', 9999);
$this->setExpectedException('PhpAmqpLib\\Exception\\AMQPRuntimeException');
$check->check();
}