public int getConnectionCount() {
        return connectionCount;
    }
@Test
    public void test_constructor_connectionCountDefaultBehavior() {
        ClientTpcConfig config = new ClientTpcConfig();
        assertEquals(1, config.getConnectionCount());

        System.setProperty("hazelcast.client.tpc.connectionCount", "5");
        config = new ClientTpcConfig();
        assertEquals(5, config.getConnectionCount());
    }