persistent-nodemap: test that is it present after a clone
The persistent nodemap is actually missing after local and stream
clone. We start by adding a test for the case that works so that we
can compare output after the fix.
Differential Revision: https://phab.mercurial-scm.org/D9732
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true