[Easing Animator tests] Restructure maxTotalDuration() tests
[Easing Animator tests] Restructure maxTotalDuration() tests

Now tests the effects of increasing other parameters one at a time.

NextTuesday/plottable,palantir/plottable,softwords/plottable,NextTuesday/plottable,softwords/plottable,softwords/plottable,palantir/plottable,palantir/plottable,palantir/plottable,NextTuesday/plottable