@Test
public void testIsSelectable() throws JVoiceXMLEvent {

    final DataModel model = Mockito.mock(DataModel.class);
    Mockito.when(model.readVariable(item.getName(), Object.class))
            .thenReturn(null);
    Mockito.when(context.getDataModel()).thenReturn(model);
    Assert.assertTrue(item.isSelectable());
}