Tests

More efficient method for check_parallel_jacobian #6359

Job	Run time
Compatibility tests	5m 30s
Check Spelling	9s
Check code formatting (Black)	31s
Pylint	4m 34s
Build Sphinx docs	5m 54s
pytest (py3.8/linux)	19m 8s
pytest (py3.8/win64)	37m 14s
pytest (py3.9/linux)	19m 5s
pytest (py3.9/win64)	31m 5s
pytest (py3.10/linux)	17m 8s
pytest (py3.10/win64)	35m 2s
pytest (py3.11/linux)	25m 17s
pytest (py3.11/win64)	46m 59s
pytest (py3.12/linux)	14m 58s
pytest (py3.12/win64)	29m 46s
Upload coverage report (Codecov) (linux)	11s
Upload coverage report (Codecov) (win64)	11s
	4h 52m 42s

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