[gtk] reftests: Fix textview-tags test

[Benjamin Otte <otte src gnome org>]

commit e5e516468ad97826b4372789804b7492c2fde3f2
Author: Benjamin Otte <otte redhat com>
Date:   Fri Mar 29 08:15:23 2019 +0100

    reftests: Fix textview-tags test
    
    The test was timeouting on X11.
    
    I'm still not sure it does what it should do, but at least that
    problem's gone.

 testsuite/reftests/textview-tags.css | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/testsuite/reftests/textview-tags.css b/testsuite/reftests/textview-tags.css
index 899bbeb434..871ef35cb7 100644
--- a/testsuite/reftests/textview-tags.css
+++ b/testsuite/reftests/textview-tags.css
@@ -1,6 +1,6 @@
 @import "reset-to-defaults.css";
 
-GtkTextView {
+textview {
   color: yellow;
   background-color: yellow;
 }