@Test
@SuppressWarnings({"rawtypes", "unchecked"})
public void call() {
ProxyCellValueFactory factory = new ProxyCellValueFactory();
CellDataFeatures features = mock(CellDataFeatures.class);
Object dummy = new Object();
when(features.getValue()).thenReturn(dummy);
ObservableValue<Object> observableValue = factory.call(features);
assertEquals(dummy, observableValue.getValue());
}