Merge pull request #24 from dune-project/bugfix/newPipPath #1903

Job	Run time
getTests	5s
build	44s
run scripts (./testing/mmeshFromSource.sh, ubuntu-latest)	30m 37s
run scripts (./testing/dunefunctions.sh, ubuntu-latest)	6m 46s
run scripts (./testing/dumux.sh, ubuntu-latest)	9m 3s
run scripts (./testing/dunefunctions.sh, macOS-latest)	7m 47s
run scripts (./testing/mmeshFromSource.sh, macOS-latest)	1m 22s
run scripts (./testing/installPlusSource.sh, ubuntu-latest)	28m 12s
run scripts (./testing/completeSourceInEnv.sh, ubuntu-latest)	28m 16s
run scripts (./testing/completeSourceNoEnv.sh, ubuntu-latest)	39m 32s
run scripts (./testing/completeInstall.sh, macOS-latest)	26m 23s
run scripts (./testing/completeInstall.sh, ubuntu-latest)	35m 55s
run scripts (./testing/completeSourceInEnv.sh, macOS-latest)	3m 30s
run scripts (./testing/completeSourceNoEnv.sh, macOS-latest)	1m 53s
run scripts (./testing/femdgSourceNoVenv.sh, macOS-latest)	30m 7s
run scripts (./testing/dumux.sh, macOS-latest)	7m 1s
run scripts (./testing/installPlusSource.sh, macOS-latest)	15m 12s
run scripts (./testing/femdgSourceNoVenv.sh, ubuntu-latest)	37m 15s
	5h 9m 40s

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