$first = open_window($x, { background_color => '#ff0000' }); # window 5
$second = open_window($x, { background_color => '#00ff00' }); # window 6
-my $third = open_window($x, { background_color => '#0000ff' }); # window 7
+$third = open_window($x, { background_color => '#0000ff' }); # window 7
is($x->input_focus, $third->id, 'last container focused');