gitops-operator/test/openshift/e2e/parallel/1-057_validate_notifications test fails due to race conditions. To fix it we need to use Eventually-style loop that waits (at most 120 seconds) for the correct pod to exist, and be in running state.

Link to Slack message posted by Jonathan:  https://redhat-internal.slack.com/archives/C06SS5GDB9A/p1729674494776329