tests

tests #464

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	17s
Tests (8.1, ubuntu-latest, prefer-stable)	16s
Tests (8.1, macos-latest, prefer-lowest)	1m 30s
Tests (8.1, macos-latest, prefer-stable)	1m 29s
Tests (8.1, windows-latest, prefer-lowest)	38s
Tests (8.1, windows-latest, prefer-stable)	35s
Tests (8.2, ubuntu-latest, prefer-lowest)	20s
Tests (8.2, ubuntu-latest, prefer-stable)	14s
Tests (8.2, macos-latest, prefer-lowest)	1m 23s
Tests (8.2, macos-latest, prefer-stable)	1m 21s
Tests (8.2, windows-latest, prefer-lowest)	46s
Tests (8.2, windows-latest, prefer-stable)	44s
Tests (8.3, ubuntu-latest, prefer-lowest)	23s
Tests (8.3, ubuntu-latest, prefer-stable)	18s
Tests (8.3, macos-latest, prefer-lowest)	1m 38s
Tests (8.3, macos-latest, prefer-stable)	1m 52s
Tests (8.3, windows-latest, prefer-lowest)	48s
Tests (8.3, windows-latest, prefer-stable)	51s
Tests (8.4, ubuntu-latest, prefer-lowest)	12s
Tests (8.4, ubuntu-latest, prefer-stable)	14s
Tests (8.4, macos-latest, prefer-lowest)	1m 37s
Tests (8.4, macos-latest, prefer-stable)	1m 49s
Tests (8.4, windows-latest, prefer-lowest)	35s
Tests (8.4, windows-latest, prefer-stable)	46s
	20m 36s

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