diff --git a/tests-unit/execution_test/validate_node_input_test.py b/tests-unit/execution_test/validate_node_input_test.py
index a7379a385..a2f68dfce 100644
--- a/tests-unit/execution_test/validate_node_input_test.py
+++ b/tests-unit/execution_test/validate_node_input_test.py
@@ -1,14 +1,13 @@
 import pytest
 from comfy_execution.validation import validate_node_input
+from enum import StrEnum
 
 
 def test_exact_match():
     """Test cases where types match exactly"""
     assert validate_node_input("STRING", "STRING")
     assert validate_node_input("STRING,INT", "STRING,INT")
-    assert (
-        validate_node_input("INT,STRING", "STRING,INT")
-    )  # Order shouldn't matter
+    assert validate_node_input("INT,STRING", "STRING,INT")  # Order shouldn't matter
 
 
 def test_strict_mode():
@@ -67,6 +66,47 @@ def test_non_string():
     assert not validate_node_input(obj1, obj2)
 
 
+class NotEqualsOverrideTest(StrEnum):
+    """Test class for ``__ne__`` override."""
+
+    ANY = "*"
+    LONGER_THAN_2 = "LONGER_THAN_2"
+
+    def __ne__(self, value: object) -> bool:
+        if self == "*" or value == "*":
+            return False
+        if self == "LONGER_THAN_2":
+            return not len(value) > 2
+        raise TypeError("This is a class for unit tests only.")
+
+
+def test_ne_override():
+    """Test ``__ne__`` any override"""
+    any = NotEqualsOverrideTest.ANY
+    invalid_type = "INVALID_TYPE"
+    obj = object()
+    assert validate_node_input(any, any)
+    assert validate_node_input(any, invalid_type)
+    assert validate_node_input(any, obj)
+    assert validate_node_input(any, {})
+    assert validate_node_input(any, [])
+    assert validate_node_input(any, [1, 2, 3])
+
+
+def test_ne_custom_override():
+    """Test ``__ne__`` custom override"""
+    special = NotEqualsOverrideTest.LONGER_THAN_2
+
+    assert validate_node_input(special, special)
+    assert validate_node_input(special, "*")
+    assert validate_node_input(special, "INVALID_TYPE")
+    assert validate_node_input(special, [1, 2, 3])
+
+    # Should fail
+    assert not validate_node_input(special, [1, 2])
+    assert not validate_node_input(special, "TY")
+
+
 @pytest.mark.parametrize(
     "received,input_type,strict,expected",
     [