WHY
It's important that we prioritize testing as part of the observability migration.

WHAT
Write a test that verifies that a MonitoringStack CR exists in the redhat-rhoam-operator Namespace. The test should also verify that the MonitoringStack CR created a Prometheus CR and an Alertmanager CR in the redhat-rhoam-operator Namespace.

HOW
<Suggestions for how this may be solved. [Optional]

TESTS
<List of related tests>

DONE

• Created the test and included it in the e2e test suite(s)