Corrected message matching in filterwarnings

Author: jhendricks487

pandas/tests/indexing/test_loc.py

@@ -2070,7 +2070,7 @@ def test_loc_setitem_with_expansion_inf_upcast_empty(self):
     @pytest.mark.filterwarnings(
         [
             "ignore:indexing past lexsort depth",
-            "ignore:empty string to Timestamp is deprecated",
+            "ignore:Passing an empty string to Timestamp",
         ]
     )
     def test_loc_setitem_with_expansion_nonunique_index(self, index):

pandas/tests/io/formats/test_to_csv.py

@@ -297,7 +297,7 @@ def test_to_csv_different_datetime_formats(self):
         expected = tm.convert_rows_list_to_csv_str(expected_rows)
         assert df.to_csv(index=False) == expected
 
-    @pytest.mark.filterwarnings("ignore:empty string to Timestamp is deprecated")
+    @pytest.mark.filterwarnings("ignore:Passing an empty string to Timestamp")
     def test_to_csv_date_format_in_categorical(self):
         # GH#40754
         ser = pd.Series(pd.to_datetime(["2021-03-27", pd.NaT], format="%Y-%m-%d"))

pandas/tests/scalar/timestamp/test_constructors.py

@@ -1078,7 +1078,7 @@ def test_non_nano_value():
     assert result == -52700112000
 
 
-@pytest.mark.filterwarnings("ignore:empty string to Timestamp is deprecated")
+@pytest.mark.filterwarnings("ignore:Passing an empty string to Timestamp")
 @pytest.mark.parametrize("na_value", [None, np.nan, np.datetime64("NaT"), NaT, NA])
 def test_timestamp_constructor_na_value(na_value):
     # GH45481

pandas/tests/test_multilevel.py

@@ -295,7 +295,7 @@ def test_multiindex_insert_level_with_na(self, na):
         df[na, "B"] = 1
         tm.assert_frame_equal(df[na], DataFrame([1], columns=["B"]))
 
-    @pytest.mark.filterwarnings("ignore:empty string to Timestamp is deprecated")
+    @pytest.mark.filterwarnings("ignore:Passing an empty string to Timestamp")
     def test_multiindex_dt_with_nan(self):
         # GH#60388
         df = DataFrame(