@Test
public void should_submit_button_send_sentData_variable() throws Exception {

    ContractInputToWidgetMapper contractInputToWidgetMapper = makeContractInputToWidgetMapper();
    Element element = contractInputToWidgetMapper.createSubmitButton(ButtonAction.SUBMIT_TASK);
    PropertyValue PropertyValue = element.getPropertyValues().get("dataToSend");
    assertThat(PropertyValue.getType()).isEqualTo("expression");
    assertThat(PropertyValue.getValue()).isEqualTo("formOutput");
}