* don't include sendkeys in index.html as it's included in helper.init
mocha opts: add default timeout and replace ignoreLeaks with checkLeaks,
as the former is deprecated
* introduce helper.edit to write to a pad
* add test to check if helper.edit() supports line numbers
* helper tests: waitFor/waitForPromise seem to be a little bit faster sometimes
* tests: refactor chat.js
* tests: refactor timeslider_numeric_padID
* tests: refactor timeslider_labels
* tests: refactor timeslider_follow
* ensure followContents is enabled, although it should be by default
* timeslider_follow: increase number of revision for Edge
* make textLines() depend on linesDiv()
Co-authored-by: Richard Hansen <rhansen@rhansen.org>
* make linesDiv return standard Array
* use `contain` instead of `indexOf`
* more fixes from the review
* review fixes
* align waitFor and waitForPromise behaviour
* timeslider_follow: check if it's following to the correct lines
* lower expected waitFor/waitForPromise interval check
* disable responsivness and regression test in timeslider_follow
* timeslider_follow: fix Range detection
* more explicit test for linesDiv
Co-authored-by: Richard Hansen <rhansen@rhansen.org>
