diff --git a/test/dynamo/cpython/3_13/test_unittest/test_assertions.py b/test/dynamo/cpython/3_13/test_unittest/test_assertions.py
index 1dec947ea76..5a8c2a9d3af 100644
--- a/test/dynamo/cpython/3_13/test_unittest/test_assertions.py
+++ b/test/dynamo/cpython/3_13/test_unittest/test_assertions.py
@@ -1,3 +1,54 @@
+# ======= BEGIN Dynamo patch =======
+# Owner(s): ["module: dynamo"]
+
+# ruff: noqa
+# flake8: noqa
+
+import sys
+import torch
+import torch._dynamo.test_case
+import unittest
+from torch.testing._internal.common_utils import run_tests
+
+
+__TestCase = torch._dynamo.test_case.CPythonTestCase
+
+
+# redirect import statements
+import sys
+import importlib.abc
+
+redirect_imports = (
+    "test.mapping_tests",
+    "test.typinganndata",
+    "test.test_grammar",
+    "test.test_math",
+    "test.test_iter",
+    "test.typinganndata.ann_module",
+)
+
+class RedirectImportFinder(importlib.abc.MetaPathFinder):
+    def find_spec(self, fullname, path, target=None):
+        # Check if the import is the problematic one
+        if fullname in redirect_imports:
+            try:
+                # Attempt to import the standalone module
+                name = fullname.removeprefix("test.")
+                r = importlib.import_module(name)
+                # Redirect the module in sys.modules
+                sys.modules[fullname] = r
+                # Return a module spec from the found module
+                return importlib.util.find_spec(name)
+            except ImportError:
+                return None
+        return None
+
+# Add the custom finder to sys.meta_path
+sys.meta_path.insert(0, RedirectImportFinder())
+
+
+# ======= END DYNAMO PATCH =======
+
 import datetime
 import warnings
 import weakref
@@ -6,7 +57,7 @@ from test.support import gc_collect
 from itertools import product
 
 
-class Test_Assertions(unittest.TestCase):
+class Test_Assertions(__TestCase):
     def test_AlmostEqual(self):
         self.assertAlmostEqual(1.00000001, 1.0)
         self.assertNotAlmostEqual(1.0000001, 1.0)
@@ -141,12 +192,13 @@ class Test_Assertions(unittest.TestCase):
             self.fail('assertNotRegex should have failed.')
 
 
-class TestLongMessage(unittest.TestCase):
+class TestLongMessage(__TestCase):
     """Test that the individual asserts honour longMessage.
     This actually tests all the message behaviour for
     asserts that use longMessage."""
 
     def setUp(self):
+        super().setUp()
         class TestableTestFalse(unittest.TestCase):
             longMessage = False
             failureException = self.failureException
@@ -414,4 +466,4 @@ class TestLongMessage(unittest.TestCase):
 
 
 if __name__ == "__main__":
-    unittest.main()
+    run_tests()