public function testApiRemoveBus_RemovesBus_WhenBusDoesExist()
{
$base = $this->createChannelRouter();
$router = $this->createChannelRouterComposite(['bus' => $base]);
$this->assertTrue($router->existsBus('bus'));
$router->removeBus('bus');
$this->assertFalse($router->existsBus('bus'));
}