diff --git a/pandas/_testing/_warnings.py b/pandas/_testing/_warnings.py
index 6ed8a7b9154d4..d2d1f5c0c273e 100644
--- a/pandas/_testing/_warnings.py
+++ b/pandas/_testing/_warnings.py
@@ -110,7 +110,9 @@ class for all warnings. To raise multiple types of exceptions,
                         if isinstance(match, tuple)
                         else (match,) * len(expected_warning)
                     )
-                    for warning_type, warning_match in zip(expected_warning, match):
+                    for warning_type, warning_match in zip(
+                        expected_warning, match, strict=True
+                    ):
                         _assert_caught_expected_warnings(
                             caught_warnings=w,
                             expected_warning=warning_type,
diff --git a/pandas/_testing/asserters.py b/pandas/_testing/asserters.py
index c8f3bb6bd77d2..fc2cae5fadaa7 100644
--- a/pandas/_testing/asserters.py
+++ b/pandas/_testing/asserters.py
@@ -675,7 +675,7 @@ def _raise(left, right, err_msg) -> NoReturn:
                 )
 
             diff = 0
-            for left_arr, right_arr in zip(left, right):
+            for left_arr, right_arr in zip(left, right, strict=True):
                 # count up differences
                 if not array_equivalent(left_arr, right_arr, strict_nan=strict_nan):
                     diff += 1
@@ -1447,7 +1447,7 @@ def assert_copy(iter1, iter2, **eql_kwargs) -> None:
     the same object. (Does not check that items
     in sequences are also not the same object)
     """
-    for elem1, elem2 in zip(iter1, iter2):
+    for elem1, elem2 in zip(iter1, iter2, strict=True):
         assert_almost_equal(elem1, elem2, **eql_kwargs)
         msg = (
             f"Expected object {type(elem1)!r} and object {type(elem2)!r} to be "