ok(@{get_ws_content($tmp)} == 0, 'no containers yet');
-my $win = open_window($x, { dont_map => 1 });
+my $win = open_window({ dont_map => 1 });
# XXX: we should check screen size. in screens with an AR of 2.0,
# this is not a good idea.
my $aspect = X11::XCB::Sizehints::Aspect->new;
$aspect->max_den(300);
$win->_create;
$win->map;
-wait_for_map $x;
+wait_for_map $win;
$win->hints->aspect($aspect);
$x->flush;
-sync_with_i3($x);
+sync_with_i3;
my $rect = $win->rect;
my $ar = $rect->width / $rect->height;