diff --git a/tests/models/test_taskinstance.py b/tests/models/test_taskinstance.py
index 71c6c2f8c4ec5..da3d138306235 100644
--- a/tests/models/test_taskinstance.py
+++ b/tests/models/test_taskinstance.py
@@ -57,7 +57,7 @@
 )
 from airflow.models.serialized_dag import SerializedDagModel
 from airflow.models.taskfail import TaskFail
-from airflow.models.taskinstance import TaskInstance, _executor_config_comparator
+from airflow.models.taskinstance import TaskInstance
 from airflow.models.taskmap import TaskMap
 from airflow.models.xcom import XCOM_RETURN_KEY
 from airflow.operators.bash import BashOperator
@@ -2848,22 +2848,3 @@ def get_extra_env():
 
     echo_task = dag.get_task("echo")
     assert "get_extra_env" in echo_task.upstream_task_ids
-
-
-def test_executor_config_comparator():
-    """
-    When comparison raises AttributeError, return False.
-    This can happen when executor config contains kubernetes objects pickled
-    under older kubernetes library version.
-    """
-
-    class MockAttrError:
-        def __eq__(self, other):
-            raise AttributeError('hello')
-
-    a = MockAttrError()
-    with pytest.raises(AttributeError):
-        # just verify for ourselves that this throws
-        assert a == a
-    assert _executor_config_comparator(a, a) is False
-    assert _executor_config_comparator('a', 'a') is True
diff --git a/tests/utils/test_sqlalchemy.py b/tests/utils/test_sqlalchemy.py
index 85414cd14fa82..0038577b8abc8 100644
--- a/tests/utils/test_sqlalchemy.py
+++ b/tests/utils/test_sqlalchemy.py
@@ -294,3 +294,23 @@ def test_result_processor(self, input):
             # it was serialized with BaseSerialization (which is the behavior added in #24356
             expected['pod_override'] = BaseSerialization()._deserialize(expected['pod_override'])
         assert result == expected
+
+    def test_compare_values(self):
+        """
+        When comparison raises AttributeError, return False.
+        This can happen when executor config contains kubernetes objects pickled
+        under older kubernetes library version.
+        """
+
+        class MockAttrError:
+            def __eq__(self, other):
+                raise AttributeError('hello')
+
+        a = MockAttrError()
+        with pytest.raises(AttributeError):
+            # just verify for ourselves that comparing directly will throw AttributeError
+            assert a == a
+
+        instance = ExecutorConfigType()
+        assert instance.compare_values(a, a) is False
+        assert instance.compare_values('a', 'a') is True