void connectGfshToSite(MemberVM locator) throws Exception {
    if (gfsh.isConnected()) {
      gfsh.disconnect();
    }
    gfsh.connectAndVerify(locator);
  }
Checks that the bucketToTempQueueMap for a partitioned region
that holds events for buckets that are not available locally, is empty.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderAndCQDurableClientDUnitTest.java