This pull request simplifies the integration test for cross-cluster
routing by reusing `integration.MiniClusterSuite`, instead of defining
custom Milvus clients, servers, and etcd client.
issue: https://github.com/milvus-io/milvus/issues/29874
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
Memory management is broken due caused by chunkmanager not getting
cleaned up.
Fixing the following error:
```
SIGSEGV: segmentation violation
PC=0x10fc4aa0c m=6 sigcode=2
```
relate: https://github.com/milvus-io/milvus/issues/29507
Signed-off-by: yiwangdr <yiwangdr@gmail.com>