TST: Add test for loc expansion GH13829. (#53812)

Signed-off-by: Liang Yan <[email protected]>

Author: liang3zy22

pandas/tests/frame/indexing/test_setitem.py

@@ -930,6 +930,20 @@ def test_setitem_frame_keep_ea_dtype(self, any_numeric_ea_dtype):
         )
         tm.assert_frame_equal(df, expected)
 
+    def test_loc_expansion_with_timedelta_type(self):
+        result = DataFrame(columns=list("abc"))
+        result.loc[0] = {
+            "a": pd.to_timedelta(5, unit="s"),
+            "b": pd.to_timedelta(72, unit="s"),
+            "c": "23",
+        }
+        expected = DataFrame(
+            [[pd.Timedelta("0 days 00:00:05"), pd.Timedelta("0 days 00:01:12"), "23"]],
+            index=Index([0]),
+            columns=(["a", "b", "c"]),
+        )
+        tm.assert_frame_equal(result, expected)
+
 
 class TestDataFrameSetItemSlicing:
     def test_setitem_slice_position(self):