Fix sys.version_info expression in xfail marker

Author: hackebrot

testing/python/metafunc.py

@@ -1087,7 +1087,7 @@ def test_xfail_passing_is_xpass(self, testdir, strict):
 
             @pytest.mark.parametrize(("n", "expected"), [
                 (1, 2),
-                pytest.mark.xfail("sys.version_info.major > 0", reason="some bug", strict={strict})((2, 3)),
+                pytest.mark.xfail("sys.version_info > (0, 0, 0)", reason="some bug", strict={strict})((2, 3)),
                 (3, 4),
             ])
             def test_increment(n, expected):