private List<MemcachedNode> createNodes(List<InetSocketAddress> addresses) {
    List<MemcachedNode> results = new ArrayList<MemcachedNode>();

    for (InetSocketAddress addr : addresses) {
      results.add(new MockMemcachedNode(addr));
    }

    return results;
  }
Simulate dropping from (totalNodes) to (totalNodes-1). Ensure hashing is
consistent between the the two scenarios.

@param totalNodes
src/test/java/net/spy/memcached/ConsistentHashingTest.java