public function testMakingCallIncrementsCallCount()
{
$mockSession = $this->getMockBuilder('\\Thruway\\Session')->setConstructorArgs([new \Thruway\Transport\DummyTransport()])->getMock();
$this->assertEquals(0, $this->_registration->getCurrentCallCount());
$callMsg = new \Thruway\Message\CallMessage(\Thruway\Session::getUniqueId(), new \stdClass(), 'test_procedure');
$call = new \Thruway\Call($mockSession, $callMsg);
$this->_registration->processCall($call);
$this->assertEquals(1, $this->_registration->getCurrentCallCount());
}