tests

tests #546

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	23s
Tests (8.1, ubuntu-latest, prefer-stable)	25s
Tests (8.1, macos-latest, prefer-lowest)	1m 12s
Tests (8.1, macos-latest, prefer-stable)	1m 17s
Tests (8.1, windows-latest, prefer-lowest)	36s
Tests (8.1, windows-latest, prefer-stable)	36s
Tests (8.2, ubuntu-latest, prefer-lowest)	25s
Tests (8.2, ubuntu-latest, prefer-stable)	44s
Tests (8.2, macos-latest, prefer-lowest)	1m 15s
Tests (8.2, macos-latest, prefer-stable)	1m 22s
Tests (8.2, windows-latest, prefer-lowest)	46s
Tests (8.2, windows-latest, prefer-stable)	43s
Tests (8.3, ubuntu-latest, prefer-lowest)	23s
Tests (8.3, ubuntu-latest, prefer-stable)	24s
Tests (8.3, macos-latest, prefer-lowest)	1m 20s
Tests (8.3, macos-latest, prefer-stable)	1m 21s
Tests (8.3, windows-latest, prefer-lowest)	36s
Tests (8.3, windows-latest, prefer-stable)	34s
Tests (8.4, ubuntu-latest, prefer-lowest)	24s
Tests (8.4, ubuntu-latest, prefer-stable)	23s
Tests (8.4, macos-latest, prefer-lowest)	1m 21s
Tests (8.4, macos-latest, prefer-stable)	1m 39s
Tests (8.4, windows-latest, prefer-lowest)	41s
Tests (8.4, windows-latest, prefer-stable)	39s
	19m 29s

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