test(e2e): add git-gateway (GitLab) editorial workflow tests (#3091)

cypress/integration/editorial_workflow_spec_git-gateway_gitlab_backend.js

@@ -0,0 +1,31 @@
+import fixture from './common/editorial_workflow';
+import * as specUtils from './common/spec_utils';
+import { entry1, entry2, entry3 } from './common/entries';
+
+const backend = 'git-gateway';
+const provider = 'gitlab';
+
+describe('Git Gateway (GitLab) Backend Editorial Workflow', () => {
+  let taskResult = { data: {} };
+
+  before(() => {
+    specUtils.before(taskResult, { publish_mode: 'editorial_workflow', provider }, backend);
+  });
+
+  after(() => {
+    specUtils.after(taskResult, backend);
+  });
+
+  beforeEach(() => {
+    specUtils.beforeEach(taskResult, backend);
+  });
+
+  afterEach(() => {
+    specUtils.afterEach(taskResult, backend);
+  });
+
+  fixture({
+    entries: [entry1, entry2, entry3],
+    getUser: () => taskResult.data.user,
+  });
+});