AdminBarDynamicLinksTestCase::testNodeAdd in core/modules/admin_bar/tests/admin_bar.test

Tests Add content links.

AdminBarLinkTypesTestCase::testLinkTypes in core/modules/admin_bar/tests/admin_bar.test

Tests appearance of different router item link types.

AdminBarPermissionsTestCase::testCategories in core/modules/admin_bar/tests/admin_bar.test

Tests handling of links pointing to category/overview pages.

AdminBarPermissionsTestCase::testPermissionChanges in core/modules/admin_bar/tests/admin_bar.test

Tests that user role and permission changes are properly taken up.