TST: Refactor index setops test for xdist stability #48010
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mroeschke
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Testing
phofl
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Aug 9, 2022
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It appears
pytest-xdistneeds all the workers to collect all the same parameterized tests to run.Since data is generated randomly, sometimes the
index_flat_uniquefixture could have a different number of indexes between workers based on uniqueness and cause a build to completely fail. It's only used in 4 tests so just moving the filtering logic to the relevant test.Example build failure: https://github.com/pandas-dev/pandas/runs/7735103409?check_suite_focus=true