Fix tests expecting a Warning that is not raised

Author: Jorewin

pandas/tests/extension/test_sparse.py

@@ -237,7 +237,7 @@ def test_isna(self, data_missing):
         tm.assert_equal(sarr.isna(), expected)
 
     def test_fillna_limit_backfill(self, data_missing):
-        warns = (PerformanceWarning, FutureWarning)
+        warns = FutureWarning
         with tm.assert_produces_warning(warns, check_stacklevel=False):
             super().test_fillna_limit_backfill(data_missing)
 

pandas/tests/io/parser/common/test_inf.py

@@ -68,8 +68,6 @@ def test_read_csv_with_use_inf_as_na(all_parsers):
     data = "1.0\nNaN\n3.0"
     msg = "use_inf_as_na option is deprecated"
     warn = FutureWarning
-    if parser.engine == "pyarrow":
-        warn = (FutureWarning, DeprecationWarning)
 
     with tm.assert_produces_warning(warn, match=msg, check_stacklevel=False):
         with option_context("use_inf_as_na", True):

pandas/tests/io/parser/common/test_read_errors.py

@@ -192,7 +192,6 @@ def test_warn_bad_lines(all_parsers):
     expected_warning = ParserWarning
     if parser.engine == "pyarrow":
         match_msg = "Expected 1 columns, but found 3: 1,2,3"
-        expected_warning = (ParserWarning, DeprecationWarning)
 
     with tm.assert_produces_warning(
         expected_warning, match=match_msg, check_stacklevel=False
@@ -311,7 +310,6 @@ def test_on_bad_lines_warn_correct_formatting(all_parsers):
     expected_warning = ParserWarning
     if parser.engine == "pyarrow":
         match_msg = "Expected 2 columns, but found 3: a,b,c"
-        expected_warning = (ParserWarning, DeprecationWarning)
 
     with tm.assert_produces_warning(
         expected_warning, match=match_msg, check_stacklevel=False

pandas/tests/io/parser/test_parse_dates.py

@@ -343,7 +343,7 @@ def test_multiple_date_col(all_parsers, keep_date_col, request):
         "names": ["X0", "X1", "X2", "X3", "X4", "X5", "X6", "X7", "X8"],
     }
     with tm.assert_produces_warning(
-        (DeprecationWarning, FutureWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         result = parser.read_csv(StringIO(data), **kwds)
 
@@ -724,7 +724,7 @@ def test_multiple_date_col_name_collision(all_parsers, data, parse_dates, msg):
     )
     with pytest.raises(ValueError, match=msg):
         with tm.assert_produces_warning(
-            (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+            FutureWarning, match=depr_msg, check_stacklevel=False
         ):
             parser.read_csv(StringIO(data), parse_dates=parse_dates)
 
@@ -1248,14 +1248,14 @@ def test_multiple_date_col_named_index_compat(all_parsers):
         "Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated"
     )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         with_indices = parser.read_csv(
             StringIO(data), parse_dates={"nominal": [1, 2]}, index_col="nominal"
         )
 
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         with_names = parser.read_csv(
             StringIO(data),
@@ -1280,13 +1280,13 @@ def test_multiple_date_col_multiple_index_compat(all_parsers):
         "Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated"
     )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         result = parser.read_csv(
             StringIO(data), index_col=["nominal", "ID"], parse_dates={"nominal": [1, 2]}
         )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         expected = parser.read_csv(StringIO(data), parse_dates={"nominal": [1, 2]})
 
@@ -2267,7 +2267,7 @@ def test_parse_dates_dict_format_two_columns(all_parsers, key, parse_dates):
         "Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated"
     )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         result = parser.read_csv(
             StringIO(data), date_format={key: "%d- %m-%Y"}, parse_dates=parse_dates

pandas/tests/io/parser/usecols/test_parse_dates.py

@@ -145,7 +145,7 @@ def test_usecols_with_parse_dates4(all_parsers):
         "Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated"
     )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         result = parser.read_csv(
             StringIO(data),
@@ -186,7 +186,7 @@ def test_usecols_with_parse_dates_and_names(all_parsers, usecols, names, request
         "Support for nested sequences for 'parse_dates' in pd.read_csv is deprecated"
     )
     with tm.assert_produces_warning(
-        (FutureWarning, DeprecationWarning), match=depr_msg, check_stacklevel=False
+        FutureWarning, match=depr_msg, check_stacklevel=False
     ):
         result = parser.read_csv(
             StringIO(s), names=names, parse_dates=parse_dates, usecols=usecols