config.setInitConnsPerHost(0);
config.initialize();
ConnectionPool<TestClient> pool = new BagOfConnectionsConnectionPoolImpl<TestClient>(
config, new TestConnectionFactory(config, monitor), monitor);
pool.addHost(new Host("127.0.0.1",
TestHostType.CONNECT_WITH_UNCHECKED_EXCEPTION.ordinal()), true);
OperationResult<String> result;