VPA: add if error is expected in pods_eviction_restriction_test

[omerap12]

Which component are you using?:
VPA

Is your feature request designed to solve a problem? If so describe the problem this feature should solve.:
Currently we have unit tests in: here we need to include if an error is expected or not in each unit case ( otherwise we can just ignore some errors if they are expected but then we get a lint error (ref: #7542 (comment))
Opening this issue to track and address the problem so it isn’t overlooked.

Describe the solution you'd like.:
Each test should say if we expect an error or not.

Describe any alternative solutions you've considered.:

Additional context.:

[adrianmoisey]

/area vertical-pod-autoscaler

[adrianmoisey]

/retitle VPA: add if error is expected in pods_eviction_restriction_test

[omerap12]

/assign