Add test for Common Workflow Language interface #385

Job	Run time
nfdi4ing	7m 16s
black	14s
arithmetic	2m 24s
documentation	43s
quantumespresso	27m 34s
pip_check	50s
coverage	1m 10s
unittest_matrix (ubuntu-latest, 3.11)	59s
unittest_matrix (ubuntu-latest, 3.12)	53s
unittest_matrix (macos-latest, 3.12)	1m 22s
	43m 25s

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