[gtk/ebassi/4-0-abi-bump] Remove reftest from xfail list

[Emmanuele Bassi <ebassi src gnome org>]

commit 0e05cd78e094261d9113358b96a10ea59fdd2c33
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Dec 8 21:03:19 2020 +0000

    Remove reftest from xfail list
    
    It consistently passes in CI, at least with the X11 backend.

 testsuite/reftests/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/testsuite/reftests/meson.build b/testsuite/reftests/meson.build
index a7b4eb0d27..92ae8fa81c 100644
--- a/testsuite/reftests/meson.build
+++ b/testsuite/reftests/meson.build
@@ -449,7 +449,7 @@ xfails = [
   # these depend on details of text layout
   'label-sizing.ui',
   # needs a better way to perform delayed actions
-  'window-show-contents-on-map.ui',
+  #'window-show-contents-on-map.ui',
 ]
 
 reftest_env = environment()