@Test
public void testCouplerToXnodeImport() {

    ReadOnlyDataSource dataSource = new ResourceDataSource("couplerToXnodeExample", new ResourceSet("/", "couplerToXnodeExample.uct"));
    Network network = new UcteImporter().importData(dataSource, null);
    assertEquals(1, network.getBusBreakerView().getBusStream().count());
}