unit: expression tests with UMTensor #1402

Job	Run time
macos-latest: clang++ Release PaRSEC	26m 9s
macos-latest: clang++ Debug Pthreads	11m 11s
ubuntu-24.04: /usr/bin/g++-14 Release Pthreads	6m 58s
ubuntu-24.04: /usr/bin/g++-14 Release PaRSEC	5m 45s
ubuntu-24.04: /usr/bin/g++-14 Debug PaRSEC	8m 56s
macos-latest: clang++ Release Pthreads	19m 10s
ubuntu-24.04: /usr/bin/g++-14 Debug Pthreads	9m 7s
macos-latest: clang++ Debug PaRSEC	8m 28s
	1h 35m 44s

Provide feedback