jupyter-health: reapply refresh_user fix

got lost in the order of PRs

config/clusters/jupyter-health/common.values.yaml

@@ -105,6 +105,18 @@ jupyterhub:
             spawner.environment["JHE_CLIENT_ID"] = "Ima7rx8D6eko0PzlU1jK28WBUT2ZweZj7mqVG2wm"
 
         c.Spawner.auth_state_hook = auth_state_env
+
+      skip_refresh_for_test_user.py: |
+        def refresh_user_hook(authenticator, user, auth_state):
+            if user.name == "deployment-service-check":
+                # if this is the user,
+                # refresh_user doesn't make sense
+                # consider it always fresh
+                return True
+            # for all other users, refresh as usual
+            return None
+
+        c.OAuthenticator.refresh_user_hook = refresh_user_hook
   singleuser:
     defaultUrl: /lab
     extraEnv: