fix: make class names dynamic

Author: jorwoods

tableauserverclient/models/group_item.py

@@ -161,5 +161,5 @@ def as_reference(id_: str) -> ResourceReference:
 
     def to_reference(self: Self) -> ResourceReference:
         if self.id is None:
-            raise ValueError("UserItem must have id to be converted to reference")
+            raise ValueError(f"{self.__class__.__qualname__} must have id to be converted to reference")
         return ResourceReference(self.id, self.tag_name)

tableauserverclient/models/groupset_item.py

@@ -55,5 +55,5 @@ def as_reference(id_: str) -> ResourceReference:
 
     def to_reference(self: Self) -> ResourceReference:
         if self.id is None:
-            raise ValueError("UserItem must have id to be converted to reference")
+            raise ValueError(f"{self.__class__.__qualname__} must have id to be converted to reference")
         return ResourceReference(self.id, self.tag_name)