content-div: add test showing `--stop` works during interrupted resolution
This patch adds a test showing that the --stop flag of `hg evolve` works well
during interrupted content-divergence resolution.
The --stop flag now works with all the three different type of instability
resolution very well and we should advertise it more.
syntax: re
/figures/[^/]+\.png$
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
^tests/.*\.err$
^tests/easy_run.sh$
^build/
^dist/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$
tests/\.testtimes
^docs/training/graphs/
^docs/training/html/
^docs/training/index.html
^docs/training/graphviz-images/
^docs/training/img/
^docs/training/output/
^docs/training/pandocfilters/