private static void putKeyValues(VM vm, int numPuts, String region) {
    final HashMap<Integer, Integer> keyValues = new HashMap<>();
    for (int i = 0; i < numPuts; i++) {
      keyValues.put(i, i);
    }
    vm.invoke(() -> putGivenKeyValue(region, keyValues));
  }
The aim of this test is verify that when several gateway receivers in a remote site share the
same port and hostname-for-senders, the pings sent from the gateway senders reach the right
gateway receiver and not just any of the receivers. Check that only one destination will be
pinged.
geode-assembly/src/acceptanceTest/java/org/apache/geode/cache/wan/SeveralGatewayReceiversWithSamePortAndHostnameForSendersTest.java