Merge pull request #1640 from homnath/devel #159

Job	Run time
Check file changes	28s
Test on Mac	18m 54s
Test on ubuntu-latest	3m 50s
Test Intel on ubuntu-20.04	8m 28s
Test on ubuntu-20.04	2m 18s
Test run example 1 - meshfem3D simple model	3m 54s
Test run example 10 - homogeneous halfspace	3m 13s
Test run example 0 - make tests	7m 1s
Test run example 11 - poroelastic	5m 35s
Test run example 12 - PML elastic	2m 33s
Test run example 13 - PML acoustic	2m 20s
Test run example 14 - waterlayered halfspace	4m 25s
Test run example 15 - tomographic model	2m 50s
Test run example 16 - cavity	2m 30s
Test run example 17 - sep bathymetry	3m 4s
Test run example 2 - fault tpv5	5m 18s
Test run example 3 - layered halfspace	3m 44s
Test run example 4 - small adjoint	5m 55s
Test run example 5 - socal1D	3m 52s
Test run example 6 - socal1D 1d_socal	5m 4s
Test run example 7 - socal1D 1d_prem	4m 11s
Test run example 8 - socal1D 1d_cascadia	4m 3s
Test run example 9 - coupling FK	5m 54s
	1h 49m 24s

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