Package needs automated regression testing for the argocd-apps use case

Overview

Follow-on work to #265 (closed)

We have a subchart at .Values.argocd-apps that sets up argo Applications using helm values.

Party Bus uses this as a key part of their mission app hosting workflow.

Our chart tests don't exercise this path.

Deliverable

Chart tests that use .Values.argocd-apps to deploy and verify a token application has been spun up on Argo, similar to our existing tests that make Application objects in Argo via the gui.