Test: enable metricsServer in test values with bbtests

Package Merge Request

Package Changes

Adding CI tests for the metrics server package

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/sandbox/metrics-server/-/merge_requests/9

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/sandbox/metrics-server/-/issues/8