@Test
public void setFormItemVariable() throws JVoiceXMLEvent {

    final DataModel model = Mockito.mock(DataModel.class);
    Mockito.when(context.getDataModel()).thenReturn(model);
    final String value = "test";
    item.setFormItemVariable(value);
    Mockito.verify(model).updateVariable(item.getName(), value);
    final LastResult result = new LastResult(value);
    Mockito.verify(model).updateVariable(item.getName() + "$", result);
}