@Test
public void test() {

    Network network = EurostagTutorialExample1Factory.create();
    assertTrue(network.getLine("NHV1_NHV2_1").getTerminal1().isConnected());
    assertTrue(network.getLine("NHV1_NHV2_1").getTerminal2().isConnected());
    BranchTripping tripping1 = new BranchTripping("NHV1_NHV2_1", "VLHV1");
    BranchTripping tripping2 = new BranchTripping("NHV1_NHV2_1", "VLHV2");
    CompoundModificationTask task = new CompoundModificationTask(tripping1, tripping2);
    task.modify(network, null);
    assertFalse(network.getLine("NHV1_NHV2_1").getTerminal1().isConnected());
    assertFalse(network.getLine("NHV1_NHV2_1").getTerminal2().isConnected());
}