protected void createSenderInVm(Integer lnPort, VM vm,
      int dispatcherThreads) {
    createCacheInVMs(lnPort, vm);
    vm.invoke(() -> WANTestBase.setNumDispatcherThreadsForTheRun(dispatcherThreads));
    vm.invoke(() -> WANTestBase.createSender("ln", 2, true, 100, 10, false, false, null, true,
        true));
  }
1 region and sender configured on local site and 1 region and a receiver configured on remote
site. Puts to the local region are in progress. Remote region is destroyed in the middle.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelWANStatsDistributedTest.java