tests

tests #547

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	19s
Tests (8.1, ubuntu-latest, prefer-stable)	17s
Tests (8.1, macos-latest, prefer-lowest)	1m 17s
Tests (8.1, macos-latest, prefer-stable)	1m 30s
Tests (8.1, windows-latest, prefer-lowest)	36s
Tests (8.1, windows-latest, prefer-stable)	39s
Tests (8.2, ubuntu-latest, prefer-lowest)	22s
Tests (8.2, ubuntu-latest, prefer-stable)	23s
Tests (8.2, macos-latest, prefer-lowest)	1m 19s
Tests (8.2, macos-latest, prefer-stable)	1m 21s
Tests (8.2, windows-latest, prefer-lowest)	35s
Tests (8.2, windows-latest, prefer-stable)	37s
Tests (8.3, ubuntu-latest, prefer-lowest)	23s
Tests (8.3, ubuntu-latest, prefer-stable)	13s
Tests (8.3, macos-latest, prefer-lowest)	1m 39s
Tests (8.3, macos-latest, prefer-stable)	1m 30s
Tests (8.3, windows-latest, prefer-lowest)	46s
Tests (8.3, windows-latest, prefer-stable)	45s
Tests (8.4, ubuntu-latest, prefer-lowest)	14s
Tests (8.4, ubuntu-latest, prefer-stable)	13s
Tests (8.4, macos-latest, prefer-lowest)	1m 55s
Tests (8.4, macos-latest, prefer-stable)	1m 34s
Tests (8.4, windows-latest, prefer-lowest)	37s
Tests (8.4, windows-latest, prefer-stable)	34s
	19m 38s

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