[gtk+/gtk-3-20] Update css node tests for removal of .slider from GtkSwitch

[Matthias Clasen <matthiasc src gnome org>]

commit 1b07cf65228528831f05fe168d478888850f92c2
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 9 14:33:14 2016 -0400

    Update css node tests for removal of .slider from GtkSwitch

 testsuite/css/nodes/buttons.nodes |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/testsuite/css/nodes/buttons.nodes b/testsuite/css/nodes/buttons.nodes
index 7050b12..418a132 100644
--- a/testsuite/css/nodes/buttons.nodes
+++ b/testsuite/css/nodes/buttons.nodes
@@ -13,9 +13,9 @@
       radio:dir(ltr)
       label:dir(ltr)
     switch:dir(ltr):checked
-      slider.slider
+      slider
     switch:dir(ltr)
-      slider.slider
+      slider
     button.text-button:dir(ltr)
       label:dir(ltr)
     button.image-button:dir(ltr)