Merge branch 'fix-gnotification-tests' into 'master'

tests: fix gnotification tests broken due to the recent icon name fallback changes

See merge request GNOME/glib!252
diff --git a/gio/tests/gnotification.c b/gio/tests/gnotification.c
index c896af6..80d476d 100644
--- a/gio/tests/gnotification.c
+++ b/gio/tests/gnotification.c
@@ -219,7 +219,8 @@
   g_assert (G_IS_THEMED_ICON (rn->icon));
   names = g_themed_icon_get_names (G_THEMED_ICON (rn->icon));
   g_assert_cmpstr (names[0], ==, "i-c-o-n");
-  g_assert (names[1] == NULL);
+  g_assert_cmpstr (names[1], ==, "i-c-o-n-symbolic");
+  g_assert_null (names[2]);
   g_assert (rn->priority == G_NOTIFICATION_PRIORITY_HIGH);
 
   g_assert_cmpint (rn->buttons->len, ==, 1);