@Before
  public void createDistributedSystems() {
    getSystem();
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    members.add(vm0.invoke(() -> getCache().getDistributedSystem().getDistributedMember()));
    members.add(vm1.invoke(() -> getCache().getDistributedSystem().getDistributedMember()));
  }
Test of the behavior of a custom ResultCollector when handling exceptions
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/execute/FunctionServiceMultipleOnMemberDUnitTest.java