Problem: Window size wrong if 'ea' is off and 'splitright' is on and
splitting then closing a window.
Solution: Put abandoned window space in the right place. (Mark Waggoner)
Problem: Height of quickfix window not retained with vertical split.
Solution: Use frame_fixed_height() and frame_fixed_width(). (Hongbo Liu,
closes#4013, closes#2998)
Problem: Still quite a few old style tests.
Solution: Convert old to new style tests. (Yegappan Lakshmanan)
Avoid ringing the bell while running tests.
