tests

tests #548

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	17s
Tests (8.1, ubuntu-latest, prefer-stable)	13s
Tests (8.1, macos-latest, prefer-lowest)	1m 17s
Tests (8.1, macos-latest, prefer-stable)	1m 28s
Tests (8.1, windows-latest, prefer-lowest)	40s
Tests (8.1, windows-latest, prefer-stable)	38s
Tests (8.2, ubuntu-latest, prefer-lowest)	22s
Tests (8.2, ubuntu-latest, prefer-stable)	26s
Tests (8.2, macos-latest, prefer-lowest)	1m 25s
Tests (8.2, macos-latest, prefer-stable)	1m 23s
Tests (8.2, windows-latest, prefer-lowest)	37s
Tests (8.2, windows-latest, prefer-stable)	42s
Tests (8.3, ubuntu-latest, prefer-lowest)	20s
Tests (8.3, ubuntu-latest, prefer-stable)	14s
Tests (8.3, macos-latest, prefer-lowest)	1m 50s
Tests (8.3, macos-latest, prefer-stable)	1m 32s
Tests (8.3, windows-latest, prefer-lowest)	45s
Tests (8.3, windows-latest, prefer-stable)	40s
Tests (8.4, ubuntu-latest, prefer-lowest)	15s
Tests (8.4, ubuntu-latest, prefer-stable)	14s
Tests (8.4, macos-latest, prefer-lowest)	1m 45s
Tests (8.4, macos-latest, prefer-stable)	1m 53s
Tests (8.4, windows-latest, prefer-lowest)	44s
Tests (8.4, windows-latest, prefer-stable)	40s
	20m 20s

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