Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/plugins/url_health_check.js

@@ -0,0 +1,14 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+const axios = require('axios');
+
+module.exports = async ({url, method}) => {
+    let response;
+    try {
+        response = await axios({url, method});
+        return {data: response.data, status: response.status, success: true};
+    } catch (err) {
+        return {success: false, errorCode: err.code};
+    }
+};