[gtk+/wip/matthiasc/fancy-overlay] Add a second button to the test

[Matthias Clasen <matthiasc src gnome org>]

commit 85ea2044bbe29e80b592bbcc4dc8f56e6a64b6ca
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 3 08:57:20 2017 -0400

    Add a second button to the test
    
    Just to show that it works with more than one.

 tests/testoverlay.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/tests/testoverlay.c b/tests/testoverlay.c
index 041c22e..a29b82f 100644
--- a/tests/testoverlay.c
+++ b/tests/testoverlay.c
@@ -563,6 +563,18 @@ test_effect (void)
   gtk_overlay_add_overlay (GTK_OVERLAY (overlay), button);
   gtk_container_child_set (GTK_CONTAINER (overlay), button, "blur", 5.0, NULL);
 
+  button = gtk_button_new_with_label ("Maybe this one?");
+  label = gtk_bin_get_child (GTK_BIN (button));
+  g_object_set (label, "margin", 50, NULL);
+
+  gtk_widget_set_opacity (button, 0.7);
+  gtk_widget_set_halign (button, GTK_ALIGN_FILL);
+  gtk_widget_set_valign (button, GTK_ALIGN_END);
+
+  gtk_overlay_add_overlay (GTK_OVERLAY (overlay), button);
+  gtk_container_child_set (GTK_CONTAINER (overlay), button, "blur", 5.0, NULL);
+
+  sw = gtk_scrolled_window_new (NULL, NULL);
   sw = gtk_scrolled_window_new (NULL, NULL);
   gtk_container_add (GTK_CONTAINER (overlay), sw);
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),