/**
* creating a TCP socket fails because it is NOT a datagram socket
*/
public function testCreateServerFailTcp()
{
$promise = $this->factory->createServer('tcp://127.0.0.1:0');
$this->assertInstanceOf('React\\Promise\\PromiseInterface', $promise);
$promise->then($this->expectCallableNever(), $this->expectCallableOnceParameter('Exception'));
$this->loop->tick();
}
