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DOC: update running the test suite documentation #49914

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8 changes: 8 additions & 0 deletions doc/source/development/contributing_codebase.rst
Original file line number Diff line number Diff line change
Expand Up @@ -777,6 +777,14 @@ install pandas) by typing::

pytest pandas

.. note::

If a handful of tests don't pass, it may not be an issue with your pandas installation.
Some tests (e.g. some SQLAlchemy ones) require additional setup, others might start
failing because a non-pinned library released a new version, and others might be flaky
if run in parallel. As long as you can import pandas from your locally built version,
your installation is probably fine and you can start contributing!

Often it is worth running only a subset of tests first around your changes before running the
entire suite.

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