在配置文件中配置多个consumer，可能@DubboReference引用不到正确consumer，永远只能取列表第一个consumer使用

server.port=8083

dubbo.application.name=rpc-two-consumer
dubbo.application.owner=com.test
dubbo.application.organization=test
dubbo.application.logger=slf4j
dubbo.application.compiler=javassist
dubbo.application.qosEnable=true

#RegistryConfig
dubbo.registries.registry-rpc-one.id=registry-rpc-one
dubbo.registries.registry-rpc-one.protocol=zookeeper
dubbo.registries.registry-rpc-one.client=curator
#两个不同集群的注册中心 其中一个
dubbo.registries.registry-rpc-one.address=localhost:2181
dubbo.registries.registry-rpc-one.group=dubbo/rpc-one-server

dubbo.consumers.consumer-rpc-one.registryIds=registry-rpc-one
dubbo.consumers.consumer-rpc-one.check=true
dubbo.consumers.consumer-rpc-one.timeout=15000

#dubbo.protocols.{protocol  bean name}.id
dubbo.registries.registry-rpc-two.id=registry-rpc-two
dubbo.registries.registry-rpc-two.protocol=zookeeper
dubbo.registries.registry-rpc-two.client=curator
#两个不同集群的注册中心 其中一个
dubbo.registries.registry-rpc-two.address=localhost:2181
dubbo.registries.registry-rpc-two.group=dubbo/rpc-two-server

dubbo.consumers.consumer-rpc-two.registryIds=registry-rpc-two
dubbo.consumers.consumer-rpc-two.check=true
dubbo.consumers.consumer-rpc-two.timeout=15000









moduleConfigManager.addConsumers(asList(config, null));
        Collection<ConsumerConfig> configs = moduleConfigManager.getConsumers();
        assertEquals(1, configs.size());
        assertEquals(config, configs.iterator().next());
        assertTrue(moduleConfigManager.getDefaultConsumer().isPresent());
        config = new ConsumerConfig();
        config.setId(DEFAULT_KEY);
        config.setThreads(10);
        moduleConfigManager.addConsumer(config);
        assertTrue(moduleConfigManager.getDefaultConsumer().isPresent());
        configs = moduleConfigManager.getConsumers();
        assertEquals(2, configs.size());
    }
    
    @Test
    public void testProtocolConfig() {
        ProtocolConfig config = new ProtocolConfig();
        configManager.addProtocols(asList(config, null));
        Collection<ProtocolConfig> configs = configManager.getProtocols();
        assertEquals(1, configs.size());
        assertEquals(config, configs.iterator().next());
        assertFalse(configManager.getDefaultProtocols().isEmpty());
    }
    
    @Test
    public void testRegistryConfig() {
        RegistryConfig config = new RegistryConfig();
        configManager.addRegistries(asList(config, null));
        Collection<RegistryConfig> configs = configManager.getRegistries();
        assertEquals(1, configs.size());