Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/integration/channels/plugins/helpers.js

@@ -0,0 +1,21 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import * as TIMEOUTS from '../../../fixtures/timeouts';
+
+export function waitForAlertMessage(pluginId, message) {
+    const checkFn = () => {
+        cy.log(`Waiting for ${message}`);
+        return cy.findByTestId(pluginId).scrollIntoView().then((pluginEl) => {
+            return pluginEl[0].innerText.includes(message);
+        });
+    };
+
+    const options = {
+        timeout: TIMEOUTS.TWO_MIN,
+        interval: TIMEOUTS.FIVE_SEC,
+        errorMsg: `Expected "${message}" to be in plugin status but not found.`,
+    };
+
+    return cy.waitUntil(checkFn, options);
+}