Automatic merge from submit-queue (batch tested with PRs 31783, 41988, 42535, 42572, 41870)
Pods pending due to insufficient OIR should get scheduled once sufficient OIR becomes available.
This appears to be a regression since v1.5.0 in scheduler behavior for opaque integer resources, reported in https://github.com/kubernetes/kubernetes/issues/41861.
- [X] Add failing e2e test to trigger the regression
- [x] Restore previous behavior (pods pending due to insufficient OIR get scheduled once sufficient OIR becomes available.)