Update pandas/tests/series/indexing/test_datetime.py

Co-authored-by: Richard Shadrach <[email protected]>

Author: Mohit-Kundu

pandas/tests/series/indexing/test_datetime.py

@@ -496,8 +496,7 @@ def test_compare_datetime_with_all_none():
 def test_dt_date_dtype_all_nat_is_object():
     # Ensure .dt.date on all-NaT Series returns object dtype and not datetime64
     # GH#61188
-    s = Series([pd.NaT, pd.NaT])
-    s = pd.to_datetime(s)
+    s = Series([pd.NaT, pd.NaT], dtype="datetime64[s]")
     result = s.dt.date
 
     expected = Series([pd.NaT, pd.NaT], dtype=object)