public function testApiErase_CallsEraseOnAllBuses()
{
$bus1 = $this->createChannelRouter();
$bus1->expects($this->once())->method('erase');
$bus2 = $this->createChannelRouter();
$bus2->expects($this->once())->method('erase');
$router = $this->createChannelRouterComposite(['bus1' => $bus1, 'bus2' => $bus2]);
$router->erase();
}