16470: Fixes tests. Avoids closing a DB connection when using threads on tests.

[arvados.git] / services / api / app / models / link.rb

diff --git a/services/api/app/models/link.rb b/services/api/app/models/link.rb
index 60a94c7e23032ec694d78706c1dd685e9c6eaa55..e4ba7f3de1ef8f20833355efb0dae1a153b05113 100644 (file)
--- a/services/api/app/models/link.rb
+++ b/services/api/app/models/link.rb
@@ -63,7 +63,7 @@ class Link < ArvadosModel
         return false
       end
       if tail_obj.group_class != "role"
-        errors.add(:tail_uuid, "must be a role, was #{tail_obj.group_class}")
+        errors.add(:tail_uuid, "must be a user or role, was group with group_class #{tail_obj.group_class}")
         return false
       end
     elsif rsc_class != User