Upgrade tests tools and lint migrations and scripts (part 2) (#9998)

* upgrade gulp-babel

* upgrade babel-eslint

* upgrade eslint-friendly-formatter

* start upgrading chai

* start to upgrade eslint

* restore skipped tests

* start to upgrqde monk

* fix linting and remove unused file

* fix mocha notifications, and common tests

* fix unit tests

* start to fix initrgration tests

* more integration tests fixes

* upgrade monk to latest version

* lint /scripts

* migrations: start moving to /archive unused migrations and run eslint with --fix

* lint migrations

* fix more integration tests

* fix test

test/api/v3/unit/models/group_tasks.test.js

@@ -64,7 +64,7 @@ describe('Group Task Methods', () => {
 
   each(tasksToTest, (taskValue, taskType) => {
     context(`${taskType}`, () => {
-      beforeEach(async() => {
+      beforeEach(async () => {
         task = new Tasks[`${taskType}`](Tasks.Task.sanitize(taskValue));
         task.group.id = guild._id;
         await task.save();
@@ -127,7 +127,7 @@ describe('Group Task Methods', () => {
         expect(syncedTask.checklist[0].text).to.equal(task.checklist[0].text);
       });
 
-      describe('syncs updated info', async() => {
+      describe('syncs updated info', async () => {
         let newMember;
 
         beforeEach(async () => {
@@ -274,7 +274,7 @@ describe('Group Task Methods', () => {
 
         expect(task.group.assignedUsers).to.not.contain(leader._id);
         expect(updatedSyncedTask).to.exist;
-        expect(updatedSyncedTask.group._id).to.be.empty;
+        expect(updatedSyncedTask.group._id).to.be.undefined;
       });
     });
   });