private void doPutAll(Map<String, TickerData> region, String keyPrefix, int entryCount) {
    Map<String, TickerData> map = new LinkedHashMap<>();
    for (int i = 0; i < entryCount; i++) {
      map.put(keyPrefix + i, new TickerData(i));
    }
    region.putAll(map);
  }
Same test as testVersionsOnServersWithNotificationsOnly but also does a removeAll
geode-cq/src/distributedTest/java/org/apache/geode/internal/cache/PutAllClientServerDistributedTest.java