Draft: Resolve cluster auditor test failures

Package Merge Request

Package Changes

Modifies the helm test to check prometheus target and add retries.

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/core/cluster-auditor/-/merge_requests/88

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/core/cluster-auditor/-/issues/60