Tests

Add function to PETSc interface to return initial condition problem #6684

Job	Run time
Check code formatting (Black)	30s
Check Spelling	6s
Compatibility tests	4m 22s
Build Sphinx docs	5m 39s
pytest (py3.8/linux)	14m 6s
Pylint	5m 15s
pytest (py3.8/win64)	29m 14s
pytest (py3.9/linux)	14m 7s
pytest (py3.9/win64)	27m 1s
pytest (py3.10/linux)	12m 1s
pytest (py3.10/win64)	28m 35s
pytest (py3.11/linux)	18m 0s
pytest (py3.11/win64)	37m 8s
pytest (py3.12/linux)	10m 35s
pytest (py3.12/win64)	23m 4s
Upload coverage report (Codecov) (linux)	11s
Upload coverage report (Codecov) (win64)	13s
	3h 50m 7s

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