TST: clean up to change setup.cfg to xfail_strict = True edit2 (GH23057)

Author: dcreekp

pandas/tests/groupby/test_categorical.py

@@ -206,7 +206,7 @@ def test_level_get_group(observed):
     assert_frame_equal(result, expected)
 
 
-@pytest.mark.xfail(PY37, reason="flaky on 3.7, xref gh-21636")
+@pytest.mark.xfail(PY37, reason="flaky on 3.7, xref gh-21636", strict=False)
 @pytest.mark.parametrize('ordered', [True, False])
 def test_apply(ordered):
     # GH 10138