tests

tests #257

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	1m 28s
Tests (8.1, ubuntu-latest, prefer-stable)	1m 6s
Tests (8.1, macos-latest, prefer-lowest)	1m 58s
Tests (8.1, macos-latest, prefer-stable)	1m 59s
Tests (8.1, windows-latest, prefer-lowest)	1m 49s
Tests (8.1, windows-latest, prefer-stable)	1m 41s
Tests (8.2, ubuntu-latest, prefer-lowest)	1m 19s
Tests (8.2, ubuntu-latest, prefer-stable)	1m 24s
Tests (8.2, macos-latest, prefer-lowest)	1m 49s
Tests (8.2, macos-latest, prefer-stable)	2m 4s
Tests (8.2, windows-latest, prefer-lowest)	1m 38s
Tests (8.2, windows-latest, prefer-stable)	1m 47s
Tests (8.3, ubuntu-latest, prefer-lowest)	1m 27s
Tests (8.3, ubuntu-latest, prefer-stable)	57s
Tests (8.3, macos-latest, prefer-lowest)	1m 55s
Tests (8.3, macos-latest, prefer-stable)	2m 3s
Tests (8.3, windows-latest, prefer-lowest)	1m 42s
Tests (8.3, windows-latest, prefer-stable)	1m 36s
	29m 42s

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