Adapt mock to new signature

...which is a semantic conflict of the merge.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Niklas Hambuechen <niklash@google.com>
Adapt ComputeIPolicyDiskSizesViolation

...to the new interface of ComputeIPolicySpecViolation.
This is, again, a semantic conflict introduced by the
last merge.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Niklas Hambuechen <niklash@google.com>
Fix wrong test

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Niklas Hambuechen <niklash@google.com>