onFinishedRoutes example

$route_collection = new RouteCollection();
    $route_collection->add('test', new Route('/admin/foo', ['_controller' => 'Drupal\ExampleController']));
    $route_collection->add('test2', new Route('/admin/bar', ['_controller' => 'Drupal\ExampleController']));
    $event->expects($this->once())
      ->method('getRouteCollection')
      ->willReturn($route_collection);

    $this->state->expects($this->once())
      ->method('set')
      ->with('routing.non_admin_routes', []);
    $this->preloader->onAlterRoutes($event);
    $this->preloader->onFinishedRoutes(new Event());
  }

  /** * Tests onAlterRoutes with "admin" appearing in the path. */
  public function testOnAlterRoutesWithAdminPathNoAdminRoute() {
    $event = $this->getMockBuilder('Drupal\Core\Routing\RouteBuildEvent')
      ->disableOriginalConstructor()
      ->getMock();
    $route_collection = new RouteCollection();
    $route_collection->add('test', new Route('/foo/admin/foo', ['_controller' => 'Drupal\ExampleController']));