diff --git a/tests/test_comparator.py b/tests/test_comparator.py
index 6c659e385..dfeedba83 100644
--- a/tests/test_comparator.py
+++ b/tests/test_comparator.py
@@ -5,6 +5,7 @@
 import decimal
 import re
 import sys
+import uuid
 from enum import Enum, Flag, IntFlag, auto
 from pathlib import Path
 import array # Add import for array
@@ -241,6 +242,12 @@ class Color4(IntFlag):
     assert not comparator(empty_arr_i1, empty_arr_f)
     assert not comparator(empty_arr_i1, arr1)
 
+    id1 = uuid.uuid4()
+    id3 = uuid.uuid4()
+    assert comparator(id1, id1)
+    assert not comparator(id1, id3)
+
+
 
 
 def test_numpy():