/**
  * @expectedException InvalidArgumentException
  */
 public function testInvalidMethodName()
 {
     $invalid_client = new DummyInvalidClient('host', ['credentials' => Grpc\ChannelCredentials::createInsecure()]);
     $div_arg = new math\DivArgs();
     $invalid_client->InvalidUnaryCall($div_arg);
 }
 /**
  * @expectedException InvalidArgumentException
  */
 public function testInvalidMethodName()
 {
     $invalid_client = new DummyInvalidClient('host', []);
     $div_arg = new math\DivArgs();
     $invalid_client->InvalidUnaryCall($div_arg);
 }