@Override
  public final void postSetUp() throws Exception {
    final Host host = Host.getHost(0);

    vm0 = host.getVM(0);

    vm1 = host.getVM(1);

    vm2 = host.getVM(2);

    vm3 = host.getVM(3);

    vm0.invoke(HAGIIBugDUnitTest::createRegionQueue);
  }
This function creates regionqueue on 4 VMs
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HAGIIBugDUnitTest.java