Don't run derived test in MPI mode, it's not written for that #4714

Job	Run time
git_checks	8s
format	28s
linux_el8 (el8, icc, mpich)	4m 48s
linux_el8 (el8, oneapi, mpich)	23m 5s
CodeQL (cpp)	3m 8s
docker (ubuntu-bionic)	7m 8s
linux_ubuntu (ubuntu20.04, gcc8, shared, mpich)	16m 3s
macos (macos-11, shared)	24m 52s
linux_ubuntu (ubuntu20.04, gcc9, shared, mpich)	17m 56s
macos (macos-12, static)	11m 31s
windows (win2019, shared, serial)	1m 0s
linux_ubuntu (ubuntu20.04, gcc10, shared, mpich)	17m 45s
macos (macos-12, shared)	6m 41s
windows (win2019, shared, ompi)	1m 26s
linux_ubuntu (ubuntu20.04, gcc11, shared, mpich)	16m 33s
windows (win2022, shared, serial)	9m 34s
linux_ubuntu (ubuntu20.04, clang6, shared, mpich)	10m 16s
linux_ubuntu (ubuntu20.04, clang10, shared, mpich)	14m 10s
windows (win2022, shared, ompi)	12m 32s
linux_ubuntu (ubuntu20.04, gcc8, ompi)	33m 11s
windows (win2022, static, serial, windows-2022, vs2022)	10m 20s
linux_ubuntu (ubuntu20.04, gcc8, serial)	9m 8s
linux_ubuntu (ubuntu20.04, clang6, ompi)	26m 2s
linux_ubuntu (ubuntu20.04, clang6, serial)	7m 32s
linux_ubuntu (ubuntu20.04, gcc8, static, ompi, build_only)	7m 14s
linux_ubuntu (ubuntu20.04, clang6, static, ompi, build_only)	6m 56s
linux_ubuntu (ubuntu20.04, gcc8, static, serial)	8m 2s
contract (examples)	2m 16s
contract (lammps)	4m 11s
contract (tau)	10m 43s
build_and_test	0s
	5h 24m 39s

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