[Feature] Integration testing and Example for triple over servlet

[oxsean]

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Apache Dubbo Component

Java SDK (apache/dubbo)

Descriptions

https://github.com/apache/dubbo/pull/14314 In the latest version of triple added the capability of transferring through the servlet container, which requires the addition of integration tests and examples

Related issues

No response

Are you willing to submit a pull request to fix on your own?

• [X] Yes I am willing to submit a pull request on my own!

Code of Conduct

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[heliang666s]

I am interested in it,Could you assgin me please?

[oxsean]

Example done https://github.com/apache/dubbo-samples/pull/1177