In TargetNameExist, capture the target name which already exists

Author: adamtheturtle

src/vws/exceptions.py

@@ -285,6 +285,13 @@ def response(self) -> Response:
         """
         return self._response
 
+    @property
+    def target_name(self) -> str:
+        """
+        The target name which already exists.
+        """
+        return self.response.request.json()['name']
+
 
 class ImageTooLarge(Exception):
     """

tests/test_exceptions.py

@@ -149,6 +149,7 @@ def test_target_name_exist(
         )
 
     assert exc.value.response.status_code == codes.FORBIDDEN
+    assert exc.value.target_name == 'x'
 
 
 def test_project_inactive(