public static void validateBucketToTempQueueMapIsEmpty(String senderId) {
    final int finalSize = sizeOfBucketToTempQueueMap(senderId);
    assertThat(finalSize).isEqualTo(0);
  }
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