FormLabelHelp extends Composite implements HasText { public void setFor(final String forValue) { formLabel.setFor(forValue); } FormLabelHelp();   FormLabelHelp(FormLabel formLabel,
                  FlowPanel panel); void setHelpTitle(final String title); void setHelpContent(final String content); @Override String getText(); @Override void setText(final String text); void setFor(final String forValue); void setShowRequiredIndicator(final boolean required);  }
@Test public void setFor() { formLabelHelp.setFor("testFor"); verify(formLabel).setFor("testFor"); }