issue9859: Use an expected failure rather than a skip.
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index c8a962c..02f7427 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -722,7 +722,7 @@
@support.cpython_only
class APIMismatchTest(unittest.TestCase):
- @unittest.skip('test to be fixed by issue 9858')
+ @unittest.expectedFailure # Test to be fixed by issue9858.
def test_RawIOBase_io_in_pyio_match(self):
"""Test that pyio RawIOBase class has all c RawIOBase methods"""
mismatch = support.detect_api_mismatch(pyio.RawIOBase, io.RawIOBase)