@Override
  public final void postSetUpCacheMapTxnDUnitTest() throws Exception {
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);

    // make sure that "distributed-transactions" is true
    vm0.invoke(CacheMapDistTXDUnitTest::checkIsDistributedTX);
    vm1.invoke(CacheMapDistTXDUnitTest::checkIsDistributedTX);
  }
Same tests as that of {@link CacheMapTxnDUnitTest} after setting "distributed-transactions"
property to true
geode-core/src/distributedTest/java/org/apache/geode/disttx/CacheMapDistTXDUnitTest.java