@Test
public void lineAndTransformerSameId() {

    ReadOnlyDataSource dataSource = new ResourceDataSource("sameId", new ResourceSet("/", "sameId.uct"));
    Network network = new UcteImporter().importData(dataSource, null);
    assertEquals(0, network.getLineCount());
    assertEquals(1, network.getTwoWindingsTransformerCount());
    assertEquals(1, network.getSwitchStream().count());
}