* cleanup: refactor pod replacement policy integration test into staged assertion
* cleanup: remove typo in job_test.go
* refactor PodReplacementPolicy test and remove test for defaulting the policy
* fix issue with missing update in job controller for terminating status and refactor pod replacement policy integration test
* use t.Cleanup instead of defer in PodReplacementPolicy integration tests
* revert t.Cleanup to defer for reseting feature flag in PodReplacementPolicy integration tests