### Question:
AppEnvClusterService { public AppEnvCluster getAppEnvCluster(long appId, String env, String clusterName) { return appEnvClusterRepository.findClusterByAppIdAndEnvAndName(appId, env, clusterName); }  List<AppEnvCluster> findClusters(String env, long appId); List<AppEnvCluster> findClusters(String env, String appCode); AppEnvCluster getAppEnvCluster(long appId, String env, String clusterName); void deleteAppEnvCluster(AppEnvCluster appEnvCluster); List<AppEnvCluster> createAppEnvCluster(CreateClusterReqDTO createClusterReqDTO);  }### Answer:
@Test public void getAppEnvCluster() { }