[e2e] Refactor and document our extension of existing Playwright API and RFE features (#5537)

e2e/helper/addInitRestrictedNotebook.js

@@ -0,0 +1,30 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2022, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+// This should be used to install the non-default Restricted Notebook plugin since it is not installed by default.
+// e.g.
+// await page.addInitScript({ path: path.join(__dirname, 'addInitRestrictedNotebook.js') });
+
+document.addEventListener('DOMContentLoaded', () => {
+    const openmct = window.openmct;
+    openmct.install(openmct.plugins.RestrictedNotebook('CUSTOM_NAME'));
+});

e2e/helper/addNoneditableObject.js

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+(function () {
+    document.addEventListener('DOMContentLoaded', () => {
+        const PERSISTENCE_KEY = 'persistence-tests';
+        const openmct = window.openmct;
+
+        openmct.objects.addRoot({
+            namespace: PERSISTENCE_KEY,
+            key: PERSISTENCE_KEY
+        });
+
+        openmct.objects.addProvider(PERSISTENCE_KEY, {
+            get(identifier) {
+                if (identifier.key !== PERSISTENCE_KEY) {
+                    return undefined;
+                } else {
+                    return Promise.resolve({
+                        identifier,
+                        type: 'folder',
+                        name: 'Persistence Testing',
+                        location: 'ROOT',
+                        composition: []
+                    });
+                }
+            }
+        });
+    });
+}());