Just use mark.filterwarnings

Author: mroeschke

pandas/tests/extension/test_period.py

@@ -25,7 +25,6 @@
     Period,
     iNaT,
 )
-from pandas.compat import is_platform_windows
 
 from pandas.core.dtypes.dtypes import PeriodDtype
 
@@ -102,10 +101,9 @@ def check_reduce(self, ser: pd.Series, op_name: str, skipna: bool):
             return super().check_reduce(ser, op_name, skipna)
 
     @pytest.mark.parametrize("periods", [1, -2])
+    # NOTE: RuntimeWarning on Windows(non-ARM) platforms (in CI)
+    @pytest.mark.filterwarnings("ignore::RuntimeWarning")
     def test_diff(self, request, data, periods):
-        if is_platform_windows():
-            # NOTE: No warning on Windows-ARM platforms (in CI)
-            request.applymarker(pytest.mark.filterwarnings("ignore::RuntimeWarning"))
         super().test_diff(data, periods)
 
     @pytest.mark.parametrize("na_action", [None, "ignore"])

pyproject.toml

@@ -190,7 +190,7 @@ select = "*pyodide*"
 test-requires = "pytest>=7.3.2 hypothesis>=6.84.0"
 # Pyodide repairs wheels on its own, using auditwheel-emscripten
 repair-wheel-command = ""
-# meson-python: error: Unknown option "-vv"
+# https://github.com/pyodide/pyodide/issues/5805
 build-verbosity = 1
 test-command = """
   PANDAS_CI='1' python -c 'import pandas as pd; \