diff --git a/tests/common_testing.py b/tests/common_testing.py
index 0f32e7e2..b1026257 100644
--- a/tests/common_testing.py
+++ b/tests/common_testing.py
@@ -120,7 +120,7 @@ class TestCaseMixin(unittest.TestCase):
         #    all(norm_fn(input - other) <= atol + rtol * norm_fn(other)).
 
         self.assertClose(
-            diff + other_, other_, rtol=rtol, atol=atol, equal_nan=equal_nan
+            diff + other_, other_, rtol=rtol, atol=atol, equal_nan=equal_nan, msg=msg
         )
 
     def assertClose(