Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/support/ui/announcement_bar.js

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+Cypress.Commands.add('uiCloseAnnouncementBar', () => {
+    cy.document().then((doc) => {
+        const announcementBar = doc.getElementsByClassName('announcement-bar')[0];
+        if (announcementBar) {
+            cy.get('.announcement-bar__close').click();
+        }
+    });
+});