[gnome-control-center/wip/benzea/ci: 16/28] tests/shared: Unset WAYLAND display environment variable correctly

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit fac362a5d7759007fe11375491de062e0dd6fe4c
Author: Benjamin Berg <bberg redhat com>
Date:   Mon May 21 13:29:02 2018 +0200

    tests/shared: Unset WAYLAND display environment variable correctly
    
    Otherwise the test might run on a develpers wayland session rather than
    using the created X11 server.

 tests/shared/x11session.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tests/shared/x11session.py b/tests/shared/x11session.py
index 87e964943..b9d1b6e5d 100644
--- a/tests/shared/x11session.py
+++ b/tests/shared/x11session.py
@@ -79,7 +79,7 @@ class X11SessionTestCase(DBusTestCase):
         klass.X_display = display
         # Export information into our environment for tests to use
         os.environ['DISPLAY'] = ":%d" % klass.X_display
-        os.environ['WAYLAND'] = ''
+        os.environ['WAYLAND_DISPLAY'] = ''
 
         # Server should still be up and running at this point
         assert klass.xorg.poll() is None