feat(MeetingAdapter): declare addLocalMedia method

src/MeetingsAdapter.js

@@ -93,6 +93,19 @@ export default class MeetingsAdapter extends WebexAdapter {
     this.meetingControls = {};
   }
 
+  /**
+   * Returns a promise that resolves once the local media has
+   * been successfully added. The promise will reject if there
+   * is an issue adding local media.
+   *
+   * @param {string} ID  ID of the meeting to add the local media to.
+   * @returns {Promise.<Meeting>}
+   * @memberof MeetingsAdapter
+   */
+  addLocalMedia(ID) {
+    return Promise.reject(new Error('addMediaLocal(ID) must be defined in MeetingsAdapter'));
+  }
+
   /**
    * Returns an observable that emits a Meeting object.
    * Whenever there is an update to the meeting, the observable

src/MeetingsAdapter.test.js

@@ -18,7 +18,7 @@ describe('Meetings Adapter Interface', () => {
   });
 
   test('getMeeting() errors because it needs to be defined', (done) => {
-    meetingsAdapter.getMeeting('msgID').subscribe(
+    meetingsAdapter.getMeeting('meetingID').subscribe(
       () => {},
       (error) => {
         expect(error.message).toBe('getMeeting(ID) must be defined in MeetingsAdapter');
@@ -27,6 +27,15 @@ describe('Meetings Adapter Interface', () => {
     );
   });
 
+  test('addLocalMedia() errors because it needs to be defined', () => {
+    meetingsAdapter
+      .addLocalMedia('meetingID')
+      .then(() => {})
+      .catch((error) => {
+        expect(error.message).toBe('addMediaLocal(ID) must be defined in MeetingsAdapter');
+      });
+  });
+
   test('meetingControls property exists', () => {
     expect(meetingsAdapter).toHaveProperty('meetingControls');
   });