tests

tests #457

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	20s
Tests (8.1, ubuntu-latest, prefer-stable)	13s
Tests (8.1, macos-latest, prefer-lowest)	1m 9s
Tests (8.1, macos-latest, prefer-stable)	1m 8s
Tests (8.1, windows-latest, prefer-lowest)	45s
Tests (8.1, windows-latest, prefer-stable)	40s
Tests (8.2, ubuntu-latest, prefer-lowest)	20s
Tests (8.2, ubuntu-latest, prefer-stable)	21s
Tests (8.2, macos-latest, prefer-lowest)	1m 21s
Tests (8.2, macos-latest, prefer-stable)	1m 31s
Tests (8.2, windows-latest, prefer-lowest)	34s
Tests (8.2, windows-latest, prefer-stable)	44s
Tests (8.3, ubuntu-latest, prefer-lowest)	20s
Tests (8.3, ubuntu-latest, prefer-stable)	30s
Tests (8.3, macos-latest, prefer-lowest)	1m 12s
Tests (8.3, macos-latest, prefer-stable)	1m 27s
Tests (8.3, windows-latest, prefer-lowest)	47s
Tests (8.3, windows-latest, prefer-stable)	42s
Tests (8.4, ubuntu-latest, prefer-lowest)	13s
Tests (8.4, ubuntu-latest, prefer-stable)	12s
Tests (8.4, macos-latest, prefer-lowest)	1m 15s
Tests (8.4, macos-latest, prefer-stable)	1m 28s
Tests (8.4, windows-latest, prefer-lowest)	33s
Tests (8.4, windows-latest, prefer-stable)	39s
	18m 24s

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