Fixes isses misses due to "invisible" tests #7

Job	Run time
pip-install / test-pip-install	1m 4s
integration-dummy / Run dummy	1m 17s
domain-decomp / Run domain decomposition unit tests	1m 8s
build-cache / Build and cache OpenMPI 5	41s
adaptivity-serial / Unit and integration tests	1m 12s
adaptivity-parallel / Integration tests	1m 19s
adaptivity-parallel / Unit tests	1m 19s
unit-tests / unit_tests	1m 7s
coverage / Run test coverage check	1m 29s
	10m 36s

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