public function testInitializeAndClose()
{
$this->driver->expects($this->once())->method('initialize');
$this->driver->expects($this->once())->method('close');
$this->signalHandler->expects($this->once())->method('addSubscriber')->with($this->connection);
$this->signalHandler->expects($this->once())->method('removeSubscriber')->with($this->connection);
$this->connection->initialize();
$this->connection->close();
}