harness.check(ui.getThumbBounds(), new Rectangle(0, 0, 0, 0));
JPanel panel = new JPanel(new BorderLayout());
panel.setSize(100, 20);
panel.add(scrollBar);
panel.doLayout();
harness.check(ui.getTrackBounds(), new Rectangle(0, 0, 0, 0));
harness.check(ui.getThumbBounds(), new Rectangle(0, 0, 0, 0));
ui.layoutContainer(scrollBar);
harness.check(ui.getTrackBounds(), new Rectangle(16, 0, 68, 20));