[Enhancement] Add test code for this module [eventmesh-runtime]

### Search before asking

- [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues.

### Enhancement Request

Add test code for eventmesh-runtime module.

### Describe the solution you'd like

Module name: eventmesh-runtime
Located in: eventmesh-runtime
Task status: ×(unfinished) / √(finished)

> Notes: The following classes are only a part of this module. If you want to do some unit tests for this module, you can select some classes in this module for unit testing, but please submit a detailed issue separately and linked to the pr you submitted, because this issue will not be deleted.

| Task Status | Class | Type |
| :-----: | :----- | :----- |
| × | org/apache/eventmesh/runtime/util/EventMeshThreadFactoryImpl.java | utils |
| × | org/apache/eventmesh/runtime/util/EventMeshUtil.java | utils |
| × | org/apache/eventmesh/runtime/util/HttpTinyClient.java | utils |
| × | org/apache/eventmesh/runtime/util/IOTinyUtils.java | utils |
| × | org/apache/eventmesh/runtime/util/NetUtils.java | utils |
| × | org/apache/eventmesh/runtime/util/RemotingHelper.java | utils |
| × | org/apache/eventmesh/runtime/util/WebhookUtil.java | utils |
| × | org/apache/eventmesh/runtime/admin/controller/ClientManageController.java | controller |
| × | org/apache/eventmesh/runtime/admin/handler/QueryRecommendEventMeshHandler.java | handler |
| × | org/apache/eventmesh/runtime/admin/handler/RedirectClientByPathHandler.java | handler |

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!