diff --git a/pandas/tests/indexing/test_partial.py b/pandas/tests/indexing/test_partial.py
index <HASH>..<HASH> 100644
--- a/pandas/tests/indexing/test_partial.py
+++ b/pandas/tests/indexing/test_partial.py
@@ -680,3 +680,4 @@ class TestPartialSetting:
         expected = pd.DataFrame(
             {"series": [1.23] * 4}, index=pd.RangeIndex(4, name="series_index")
         )
+        tm.assert_frame_equal(df, expected)
TST: add missing assert (#<I>)