tests: check that we delete evolvestate correctly after abort/stop
This patch adds test to check whether we delete the evolvestate correctly after
aborting or stopping an interrupted evolve which is caused because of `next
--evolve`.
#require test-repo pyflakes
Copied from Mercurial core (60ee2593a270)
$ cd "`dirname "$TESTDIR"`"
run pyflakes on all tracked files ending in .py or without a file ending
(skipping binary file random-seed)
$ hg locate 'set:(**.py or grep("^#!.*python")) - removed()' 2>/dev/null \
> | xargs pyflakes 2>/dev/null