Tests

More efficient method for check_parallel_jacobian #6351

Job	Run time
Compatibility tests	4m 34s
Check Spelling	7s
Check code formatting (Black)	32s
Build Sphinx docs	6m 3s
Pylint	4m 44s
pytest (py3.8/linux)	19m 16s
pytest (py3.8/win64)	34m 34s
pytest (py3.9/linux)	19m 56s
pytest (py3.9/win64)	31m 55s
pytest (py3.10/linux)	18m 2s
pytest (py3.10/win64)	35m 54s
pytest (py3.11/linux)	26m 30s
pytest (py3.11/win64)	49m 0s
pytest (py3.12/linux)	15m 9s
pytest (py3.12/win64)	29m 41s
Upload coverage report (Codecov)	0s
	4h 55m 57s

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