public function testReceivePacket()
{
$packet = new Packet();
$mock = $this->getMockBuilder(__CLASS__)->getMock();
$mock->expects($this->once())->method('testReceivePacket')->willReturnCallback(function ($givenPacket) use($packet) {
$this->assertEquals($packet, $givenPacket);
});
$this->driver->expects($this->once())->method('read')->willReturn($packet);
$this->connection->onPacketReceived([$mock, 'testReceivePacket']);
$this->connection->receivePacket();
}