@Test
public void testIconDefaultA() {

    Icon icon = XTestUtils.loadDefaultIcon();
    assertNotNull("sanity: default icon loaded", icon);
    UIManager.put("Header.defaultIcon", icon);
    JXHeader header = new JXHeader();
    try {
        assertSame(icon, header.getIcon());
    } finally {
        UIManager.put("Header.defaultIcon", null);
    }
}