--- /dev/null
+<?php
+
+namespace Drupal\Tests\entity\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Tests some integration of the revision overview:
+ *
+ * - Are the routes added properly.
+ * - Are the local tasks added properly.
+ *
+ * @group entity
+ */
+class RevisionOverviewIntegrationTest extends KernelTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['node', 'entity_module_test', 'entity', 'user', 'system'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->installSchema('system', 'router');
+
+ \Drupal::service('router.builder')->rebuild();
+ }
+
+ public function testIntegration() {
+ /** @var \Drupal\Core\Menu\LocalTaskManagerInterface $local_tasks_manager */
+ $local_tasks_manager = \Drupal::service('plugin.manager.menu.local_task');
+
+ $tasks = $local_tasks_manager->getDefinitions();
+ $this->assertArrayHasKey('entity.revisions_overview:entity_test_enhanced', $tasks);
+ $this->assertArrayNotHasKey('entity.revisions_overview:node', $tasks, 'Node should have been excluded because it provides their own');
+
+ $this->assertEquals('entity.entity_test_enhanced.version_history', $tasks['entity.revisions_overview:entity_test_enhanced']['route_name']);
+ $this->assertEquals('entity.entity_test_enhanced.canonical', $tasks['entity.revisions_overview:entity_test_enhanced']['base_route']);
+
+ /** @var \Drupal\Core\Routing\RouteProviderInterface $route_provider */
+ $route_provider = \Drupal::service('router.route_provider');
+
+ $route = $route_provider->getRouteByName('entity.entity_test_enhanced.version_history');
+ $this->assertInstanceOf(Route::class, $route);
+ $this->assertEquals('\Drupal\entity\Controller\RevisionOverviewController::revisionOverviewController', $route->getDefault('_controller'));
+ }
+
+}