Tests

CWL definitions #6

Job	Run time
skip_duplicate	3s
tests (ubuntu-latest, 3.11, test-only)	55s
tests (ubuntu-latest, 3.10, test-only)	53s
tests (ubuntu-latest, 3.13, test-only)	58s
tests (ubuntu-latest, 3.12, test-only)	1m 6s
	3m 55s

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