public function testRoom()
{
$transport = new Transport(null, null, null);
$hippy = new Hippy($transport);
$this->assertNull($hippy->getRoom());
$hippy->setRoom('general');
$this->assertEquals($hippy->getRoom(), 'general');
$transport = new Transport(null, 'chilli', null);
$hippy = new Hippy($transport);
$this->assertEquals($hippy->getRoom(), 'chilli');
}