Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/support/api/cluster.js

@@ -0,0 +1,13 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+Cypress.Commands.add('apiGetClusterStatus', () => {
+    return cy.request({
+        headers: {'X-Requested-With': 'XMLHttpRequest'},
+        url: '/api/v4/cluster/status',
+        method: 'GET',
+    }).then((response) => {
+        expect(response.status).to.equal(200);
+        return cy.wrap({clusterInfo: response.body});
+    });
+});