Add unit test error handling for set freq and volt.
Change-Id: I5877f8300b942caac8f38e6efc03264bfc432def
[ROCm/amdsmi commit: 4307330cb0]
Add unit test error handling for set freq and volt.
Change-Id: I5877f8300b942caac8f38e6efc03264bfc432def
[ROCm/amdsmi commit: 4307330cb0]