TST: GH30999 add match=msg to pytest.raises in modules with one simple instance each #38805
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This pull request partially addresses xref #30999 to remove bare pytest.raises by adding match=msg. It doesn't close that issue as I have only addressed the following three modules:
pandas/tests/dtypes/test_inference.py
pandas/tests/libs/test_hashtable.py
pandas/tests/resample/test_resampler_grouper.py
They are scattered around the test directory but each of them only had one instance of a bare pytest.raises which could be fixed with a simple addition of match=msg or change to tm.external_error_raised
black pandas
git diff upstream/master -u -- "*.py" | flake8 --diff