public function testApiGetBuses_ReturnsAllBuses()
{
$bus1 = $this->createChannelRouter();
$bus2 = $this->createChannelRouter();
$buses = ['bus1' => $bus1, 'bus2' => $bus2];
$router = $this->createChannelRouterComposite($buses);
$this->assertSame($buses, $router->getBuses());
}