From a5cf55dd4a5237ad4b5d6e93d9822558bbc8cd28 Mon Sep 17 00:00:00 2001
From: Ronny Pfannschmidt <opensource@ronnypfannschmidt.de>
Date: Thu, 3 May 2018 16:33:16 +0200
Subject: [PATCH] fix test_mark_option_custom - it used the legacy keyword
 storage for addign markers

---
 testing/test_mark.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testing/test_mark.py b/testing/test_mark.py
index 9ec1ce75a99..520712895a7 100644
--- a/testing/test_mark.py
+++ b/testing/test_mark.py
@@ -295,7 +295,7 @@ def test_mark_option_custom(spec, testdir):
         def pytest_collection_modifyitems(items):
             for item in items:
                 if "interface" in item.nodeid:
-                    item.keywords["interface"] = pytest.mark.interface
+                    item.add_marker(pytest.mark.interface)
     """)
     testdir.makepyfile("""
         def test_interface():