fix append test

Author: jbrockmendel

pandas/tests/frame/methods/test_append.py

@@ -241,12 +241,7 @@ def test_append_timestamps_aware_or_naive(self, tz_naive_fixture, timestamp):
     def test_other_dtypes(self, data, dtype, using_array_manager):
         df = DataFrame(data, dtype=dtype)
 
-        warn = None
-        if using_array_manager and isinstance(dtype, pd.SparseDtype):
-            warn = FutureWarning
-
-        with tm.assert_produces_warning(warn, match="astype from SparseDtype"):
-            result = df._append(df.iloc[0]).iloc[-1]
+        result = df._append(df.iloc[0]).iloc[-1]
 
         expected = Series(data, name=0, dtype=dtype)
         tm.assert_series_equal(result, expected)

pandas/tests/indexing/test_loc.py

@@ -1300,10 +1300,6 @@ def test_loc_getitem_time_object(self, frame_or_series):
     @pytest.mark.parametrize("spmatrix_t", ["coo_matrix", "csc_matrix", "csr_matrix"])
     @pytest.mark.parametrize("dtype", [np.int64, np.float64, complex])
     @td.skip_if_no_scipy
-    @pytest.mark.filterwarnings(
-        # TODO(2.0): remove filtering; note only needed for using_array_manager
-        "ignore:The behavior of .astype from SparseDtype.*FutureWarning"
-    )
     def test_loc_getitem_range_from_spmatrix(self, spmatrix_t, dtype):
         import scipy.sparse