Merge branch 'fix/test-sequential-diffusion3d' into 'master'
[test][sequential] remove failing grid/solver combinations
See merge request !2099 (merged)
(cherry picked from commit e7830614)
d66f614c [test][sequential] Throw exception if pressure solver doesn't converge 72f156b0 [test][sequential1p] use alugrid for test 886d9706 [test][sequential1p] require UMFPack