tests

Refactoring MRCC #241

Job	Run time
tests-defects-phonons-espresso	3m 43s
tests-mlps	2m 23s
tests-engines (covalent)	3m 47s
tests-core (3.9, ubuntu-latest)	3m 35s
tests-engines (dask)	3m 45s
tests-mp	1m 10s
tests-engines (parsl)	2m 52s
tests-psi4	1m 28s
tests-core (3.12, ubuntu-latest)	3m 27s
tests-engines (prefect)	2m 39s
tests-core (3.12, windows-latest)	3m 17s
tests-engines (redun)	1m 53s
tests-qchem-sella	2m 55s
tests-tblite-dftbplus	2m 36s
tests-engines (jobflow)	34s
codecov	1s
	40m 5s

Provide feedback