fixed broken tests.

NzbDrone.Core/Datastore/IdService.cs

@@ -35,25 +35,20 @@ namespace NzbDrone.Core.Datastore
                 modelBase.Id = _indexProvider.Next(obj.GetType());
             }
 
-            foreach (var propertyInfo in GetPotentialProperties(obj.GetType()))
-            {
-                var propValue = propertyInfo.GetValue(obj, null);
-
-                var list = propValue as IEnumerable;
-
+            var list = obj as IEnumerable;
             if (list != null)
             {
                 foreach (var item in list)
                 {
                     EnsureIds(item, context);
                 }
+                return;
             }
-                else
+
+            foreach (var propertyInfo in GetPotentialProperties(obj.GetType()))
             {
+                var propValue = propertyInfo.GetValue(obj, null);
                 EnsureIds(propValue, context);
-
-                }
-
             }
         }