tests: test findexe() access check fixed in
58f96703a9ab
check-code: fix return code initialization
Don't crash when nothing is tested, but return failure when other files than
the last one fails.
tests: make test-commandserver.py independent of line ending and slash direction
tests: 'hghave unix-permissions' for test-import.t
'hg import' of a patch with mode changes requires unix permissions support in
the file system.