### Question:
ImportsFieldEditorWidget extends Composite implements HasValue<ImportsValue> { @EventHandler("importsTextBox") public void onClickImportsTextBox(final ClickEvent clickEvent) { showImportsEditor(); } ImportsFieldEditorWidget();  ImportsFieldEditorWidget(final ImportsValue importsValue); @Override ImportsValue getValue(); @Override void setValue(final ImportsValue value); @Override void setValue(final ImportsValue value, final boolean fireEvents); @Override HandlerRegistration addValueChangeHandler(final ValueChangeHandler<ImportsValue> handler); @EventHandler("importsButton") void onClickImportsButton(final ClickEvent clickEvent); @EventHandler("importsTextBox") void onClickImportsTextBox(final ClickEvent clickEvent);  }### Answer:
@Test public void onClickImportsTextBox() { tested.onClickImportsTextBox(any(ClickEvent.class)); verify(tested, times(1)).showImportsEditor(); }