EntityPermissionsForm example

    $config_manager = $prophecy->reveal();
    $prophecy = $this->prophesize(EntityTypeInterface::class);
    $prophecy->getPermissionGranularity()
      ->willReturn('entity_type');
    $entity_type = $prophecy->reveal();
    $prophecy = $this->prophesize(EntityTypeManagerInterface::class);
    $prophecy->getDefinition('entity_type')
      ->willReturn($entity_type);
    $entity_type_manager = $prophecy->reveal();

    $bundle_form = new EntityPermissionsForm($permission_handler, $role_storage, $module_handler, $config_manager, $entity_type_manager);

    // Mock the method parameters.     $route = new Route('some.path');
    $route_match = $this->prophesize(RouteMatchInterface::class)->reveal();
    $prophecy = $this->prophesize(EntityTypeInterface::class);
    $prophecy->getBundleOf()
      ->willReturn('entity_type');
    $bundle_type = $prophecy->reveal();
    $prophecy = $this->prophesize(EntityInterface::class);
    $prophecy->getEntityType()
      ->willReturn($bundle_type);