Move /e2e -> /e2e-tests

e2e-tests/playwright/support/ui/components/channels/header.ts

@@ -0,0 +1,18 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {expect, Locator} from '@playwright/test';
+
+export default class ChannelsHeader {
+    readonly container: Locator;
+
+    constructor(container: Locator) {
+        this.container = container;
+    }
+
+    async toBeVisible() {
+        await expect(this.container).toBeVisible();
+    }
+}
+
+export {ChannelsHeader};