public function testGetDefaultHeartBeatWhenNoneSpecified()
{
$vies = new Vies();
$hb = $vies->getHeartBeat();
$this->assertInstanceOf('\\DragonBe\\Vies\\HeartBeat', $hb);
$this->assertSame('tcp://' . Vies::VIES_DOMAIN, $hb->getHost());
$this->assertSame(80, $hb->getPort());
}