tests: deal with "ls" vs "ls -A" difference on 2BSD derived systems
BSD-derived systems will use "ls -A" when running as root. Adjust the
test cases to always use the flag and include .hg and related output as
appropiately.
Differential Revision: https://phab.mercurial-scm.org/D8397
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true