Description of problem:
While testing this metric, the value doesn't change when trying to check on priority class

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.Add invalid labels to priorityclass kubevirt-cluster-critical
for i in

; do kubectl patch priorityclass kubevirt-cluster-critical --type='json' -p='[

]'; done

2. check for metric value
3.

Actual results:
no datapoint found

Expected results:
should increase

Additional info: