[Bug]: UT `TestRequestMultipleCn_FailedNodesOnlyRealAddresses` failed

[gouhongshen]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

3.0-dev

Commit ID

latest

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

https://github.com/matrixorigin/matrixone/actions/runs/19953286828/job/57217479817?pr=23220

[TEST]: TestRequestMultipleCn_FailedNodesOnlyRealAddresses
[START_AT]: 2025-12-05T05:19:50Z
[END_AT]: 2025-12-05T05:19:50Z
[RESULT]: fail
[ELAPSED]: 0.05
[OUTPUTS]:
=== RUN   TestRequestMultipleCn_FailedNodesOnlyRealAddresses
2025/12/05 05:19:50.291129 +0000 INFO RequestMultipleCn queryservice/query_service.go:184 [send request]test_failed_nodes send request GetCacheInfo to unix:///tmp/node1-285101469.sock
2025/12/05 05:19:50.291476 +0000 ERROR cn-service.query-client init remote connection failed, retry later {"uuid": "", "remote": "unix:///tmp/node1-285101469.sock", "backend-id": "019aecf3-c613-74ad-b0e4-713e770e3581", "can-retry": false, "error": "dial unix /tmp/node1-285101469.sock: connect: no such file or directory"}
2025/12/05 05:19:50.291566 +0000 ERROR cn-service.query-client connect to remote failed {"uuid": "", "remote": "unix:///tmp/node1-285101469.sock", "backend-id": "019aecf3-c613-74ad-b0e4-713e770e3581"}
2025/12/05 05:19:50.294559 +0000 INFO RequestMultipleCn queryservice/query_service.go:184 [send request]test_failed_nodes send request GetCacheInfo to unix:///tmp/node2-285109780.sock
2025/12/05 05:19:50.294941 +0000 ERROR cn-service.query-client init remote connection failed, retry later {"uuid": "", "remote": "unix:///tmp/node2-285109780.sock", "backend-id": "019aecf3-c616-7b25-baeb-492ab6c6249f", "can-retry": false, "error": "dial unix /tmp/node2-285109780.sock: connect: no such file or directory"}
2025/12/05 05:19:50.295026 +0000 ERROR cn-service.query-client connect to remote failed {"uuid": "", "remote": "unix:///tmp/node2-285109780.sock", "backend-id": "019aecf3-c616-7b25-baeb-492ab6c6249f"}
2025/12/05 05:19:50.303113 +0000 ERROR RequestMultipleCn queryservice/query_service.go:316 [request failed] test_failed_nodes distributed request to 2 nodes: 0 succeeded, 2 failed, failed nodes: [unix:///tmp/node1-285101469.sock unix:///tmp/node2-285109780.sock], error: failed to get result from unix:///tmp/node1-285101469.sock: can not connect to remote backend, dial unix /tmp/node1-285101469.sock: connect: no such file or directory
    multi_cn_bug_test.go:438: 
        	Error Trace:	/home/runner/work/matrixone/matrixone/pkg/queryservice/multi_cn_bug_test.go:438
        	            				/home/runner/work/matrixone/matrixone/pkg/queryservice/query_service_test.go:311
        	            				/home/runner/work/matrixone/matrixone/pkg/common/runtime/runtime.go:219
        	            				/home/runner/work/matrixone/matrixone/pkg/queryservice/query_service_test.go:165
        	            				/home/runner/work/matrixone/matrixone/pkg/queryservice/multi_cn_bug_test.go:407
        	Error:      	"failed to get result from unix:///tmp/node1-285101469.sock: can not connect to remote backend, dial unix /tmp/node1-285101469.sock: connect: no such file or directory" does not contain "context deadline exceeded"
        	Test:       	TestRequestMultipleCn_FailedNodesOnlyRealAddresses
        	Messages:   	Error should indicate timeout
--- FAIL: TestRequestMultipleCn_FailedNodesOnlyRealAddresses (0.05s)
steps.ut.conclusion: failure
FAIL_UT_CASES=TestRequestMultipleCn_FailedNodesOnlyRealAddresses,

Expected Behavior

No response

Steps to Reproduce

run ci

Additional information

No response