[gtk+] testsuite/cssprovider: Use actual existing style property

[Timm Bäder <baedert src gnome org>]

commit ad8acdcebfb17bae4fd4d2e83621dafea5088911
Author: Timm Bäder <mail baedert org>
Date:   Sun Jan 8 13:10:43 2017 +0100

    testsuite/cssprovider: Use actual existing style property
    
    All the style properties in GtkTreeView are gone, so use one from
    GtkScrollbar for now.

 testsuite/gtk/cssprovider.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/testsuite/gtk/cssprovider.c b/testsuite/gtk/cssprovider.c
index 0272c6b..da44a03 100644
--- a/testsuite/gtk/cssprovider.c
+++ b/testsuite/gtk/cssprovider.c
@@ -33,13 +33,13 @@ test_section_in_style_property (void)
   provider = gtk_css_provider_new ();
   g_signal_connect (provider, "parsing-error",
                     G_CALLBACK (assert_section_is_not_null), NULL);
-  gtk_css_provider_load_from_data (provider, "* { -GtkTreeView:indent-expanders: random garbage goes here; 
}", -1);
+  gtk_css_provider_load_from_data (provider, "* { -GtkScrollbar::has-backward-stepper random garbage goes 
here; }", -1);
 
-  widget_class = g_type_class_ref (GTK_TYPE_TREE_VIEW);
-  pspec = gtk_widget_class_find_style_property (widget_class, "indent-expanders");
+  widget_class = g_type_class_ref (GTK_TYPE_SCROLLBAR);
+  pspec = gtk_widget_class_find_style_property (widget_class, "has-backward-stepper");
   g_assert (pspec);
   path = gtk_widget_path_new ();
-  gtk_widget_path_append_type (path, GTK_TYPE_TREE_VIEW);
+  gtk_widget_path_append_type (path, GTK_TYPE_SCROLLBAR);
 
 G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
   gtk_style_provider_get_style_property (GTK_STYLE_PROVIDER (provider), path, 0, pspec, &value);