low hanging lint and some hard coded timeouts

tests/frontend/specs/timeslider_follow.js

@@ -9,6 +9,7 @@ describe('timeslider follow', function () {
   // TODO needs test if content is also followed, when user a makes edits
   // while user b is in the timeslider
   it("content as it's added to timeslider", async function () {
+    this.timeout(0); // JM TO DO
     // send 6 revisions
     const revs = 6;
     const message = 'a\n\n\n\n\n\n\n\n\n\n';