change to 15 mins

Author: nora-shap

codecov_auth/admin.py

@@ -93,7 +93,7 @@ def impersonate_owner(self, request, queryset):
 
     # this cookie is read by the `ImpersonationMiddleware` and
     # will reset `request.current_owner` to the impersonated owner
-    max_age = datetime.timedelta(minutes=3)
+    max_age = 900  # 15 minutes
     response.set_cookie(
         "staff_user",
         owner.ownerid,
@@ -586,6 +586,7 @@ class OwnerAdmin(AdminMixin, admin.ModelAdmin):
         "student_created_at",
         "student_updated_at",
         "user",
+        "trial_fired_by",
     )
 
     fields = readonly_fields + (