tests: split up test-rebase-obsolete.t in four pieces
The test case took 42 seconds to run the test before this patch and 12
seconds after (wall time, of course).
Differential Revision: https://phab.mercurial-scm.org/D10255
[build-system]
requires = ["setuptools", "wheel"]
build-backend = "setuptools.build_meta"
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true