MDL-74987 core_courseformat: add pending to refresh activity

The activity reload was missing a pending control. This can lead to
behat errors if the module refresh takes longer than expected for some
reason.

course/format/amd/src/local/content.js

@@ -33,6 +33,7 @@ import DispatchActions from 'core_courseformat/local/content/actions';
 import * as CourseEvents from 'core_course/events';
 // The jQuery module is only used for interacting with Boostrap 4. It can we removed when MDL-71979 is integrated.
 import jQuery from 'jquery';
+import Pending from 'core/pending';
 
 export default class Component extends BaseComponent {
 
@@ -502,11 +503,13 @@ export default class Component extends BaseComponent {
      * @param {object} param0.element the state object
      */
     _reloadCm({element}) {
+        const pendingReload = new Pending(`courseformat/content:reloadCm_${element.id}`);
         const cmitem = this.getElement(this.selectors.CM, element.id);
         if (cmitem) {
             const promise = courseActions.refreshModule(cmitem, element.id);
             promise.then(() => {
                 this._indexContents();
+                pendingReload.resolve();
                 return;
             }).catch();
         }
@@ -522,11 +525,13 @@ export default class Component extends BaseComponent {
      * @param {object} param0.element the state object
      */
     _reloadSection({element}) {
+        const pendingReload = new Pending(`courseformat/content:reloadSection_${element.id}`);
         const sectionitem = this.getElement(this.selectors.SECTION, element.id);
         if (sectionitem) {
             const promise = courseActions.refreshSection(sectionitem, element.id);
             promise.then(() => {
                 this._indexContents();
+                pendingReload.resolve();
                 return;
             }).catch();
         }