Jim Ingham 651b5e725e Modernize TestThreadStepOut.py
This test was timing out on the swift CI bots.  I didn't see any obvious reason
for that, and the test hasn't had problems on greendragon.  OTOH, it was a bit
oddly written, and needed modernizing, so I did that.

Differential Revision: https://reviews.llvm.org/D69453
2019-10-28 16:15:09 -07:00
..
2019-10-28 16:15:09 -07:00