@Override
  protected void installDefaults() {
    super.installDefaults();
    // there's no 'ComboBox.padding' option in the tests,
    // because they don't use DarculaLaF
    if (padding == null) {
      padding = JBInsets.emptyInsets();
    }
    comboBox.setBorder(new DarculaComboBoxBorder());
    comboBox.putClientProperty(ComboBox.IS_EMBEDDED_PROPERTY, true);
  }
@Override
  protected void installDefaults()