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/middlewares/cors.test.js

@@ -23,7 +23,7 @@ describe('cors middleware', () => {
       'Access-Control-Allow-Headers': 'Content-Type,Accept,Content-Encoding,X-Requested-With,x-api-user,x-api-key,x-client',
     });
     expect(res.sendStatus).to.not.have.been.called;
-    expect(next).to.have.been.called.once;
+    expect(next).to.have.been.calledOnce;
   });
 
   it('responds immediately if method is OPTIONS', () => {