tests

tests #545

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	30s
Tests (8.1, ubuntu-latest, prefer-stable)	24s
Tests (8.1, macos-latest, prefer-lowest)	1m 21s
Tests (8.1, macos-latest, prefer-stable)	1m 27s
Tests (8.1, windows-latest, prefer-lowest)	42s
Tests (8.1, windows-latest, prefer-stable)	50s
Tests (8.2, ubuntu-latest, prefer-lowest)	16s
Tests (8.2, ubuntu-latest, prefer-stable)	29s
Tests (8.2, macos-latest, prefer-lowest)	1m 5s
Tests (8.2, macos-latest, prefer-stable)	1m 25s
Tests (8.2, windows-latest, prefer-lowest)	43s
Tests (8.2, windows-latest, prefer-stable)	47s
Tests (8.3, ubuntu-latest, prefer-lowest)	18s
Tests (8.3, ubuntu-latest, prefer-stable)	19s
Tests (8.3, macos-latest, prefer-lowest)	1m 24s
Tests (8.3, macos-latest, prefer-stable)	1m 21s
Tests (8.3, windows-latest, prefer-lowest)	40s
Tests (8.3, windows-latest, prefer-stable)	42s
Tests (8.4, ubuntu-latest, prefer-lowest)	15s
Tests (8.4, ubuntu-latest, prefer-stable)	16s
Tests (8.4, macos-latest, prefer-lowest)	1m 11s
Tests (8.4, macos-latest, prefer-stable)	1m 5s
Tests (8.4, windows-latest, prefer-lowest)	29s
Tests (8.4, windows-latest, prefer-stable)	35s
	18m 34s

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