tests

tests #454

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	20s
Tests (8.1, ubuntu-latest, prefer-stable)	25s
Tests (8.1, macos-latest, prefer-lowest)	1m 15s
Tests (8.1, macos-latest, prefer-stable)	1m 11s
Tests (8.1, windows-latest, prefer-lowest)	35s
Tests (8.1, windows-latest, prefer-stable)	36s
Tests (8.2, ubuntu-latest, prefer-lowest)	14s
Tests (8.2, ubuntu-latest, prefer-stable)	25s
Tests (8.2, macos-latest, prefer-lowest)	1m 6s
Tests (8.2, macos-latest, prefer-stable)	1m 9s
Tests (8.2, windows-latest, prefer-lowest)	39s
Tests (8.2, windows-latest, prefer-stable)	34s
Tests (8.3, ubuntu-latest, prefer-lowest)	22s
Tests (8.3, ubuntu-latest, prefer-stable)	14s
Tests (8.3, macos-latest, prefer-lowest)	1m 4s
Tests (8.3, macos-latest, prefer-stable)	1m 22s
Tests (8.3, windows-latest, prefer-lowest)	35s
Tests (8.3, windows-latest, prefer-stable)	37s
Tests (8.4, ubuntu-latest, prefer-lowest)	12s
Tests (8.4, ubuntu-latest, prefer-stable)	26s
Tests (8.4, macos-latest, prefer-lowest)	1m 6s
Tests (8.4, macos-latest, prefer-stable)	1m 21s
Tests (8.4, windows-latest, prefer-lowest)	43s
Tests (8.4, windows-latest, prefer-stable)	40s
	17m 11s

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