[gtk/subpixel-positioning: 6/6] reftest: Exclude flaky tests

[Matthias Clasen <matthiasc src gnome org>]

commit 032473fef8b8b131120183414c8a20feabf2ce1f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jul 28 16:29:31 2019 -0400

    reftest: Exclude flaky tests
    
    These depend on details of text rendering,
    and started failing with newer pango.

 testsuite/reftests/meson.build | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/testsuite/reftests/meson.build b/testsuite/reftests/meson.build
index 6039ae709f..20c45566b6 100644
--- a/testsuite/reftests/meson.build
+++ b/testsuite/reftests/meson.build
@@ -430,6 +430,10 @@ xfails = [
   'textview-border-windows.ui',
   'window-show-contents-on-map.ui',
   'toplevel-vs-popup.ui',
+  # these depend on details of text layout
+  'label-background.ui',
+  'label-wrap-justify.ui',
+  'quit-mnemonic.ui',
 ]
 
 foreach testname : testdata