[Feature] Add unit tests for various implementations under dubbo-spi-extensions module

[wcy666103]

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Apache Dubbo Component

Java SPI Extensions (apache/dubbo-spi-extensions)

Descriptions

1. A uniform style test instance is missing from various implementations of this module.

According to org.apache.dubbo.common.serialize.ObjectInput the each method statement to organize all the implementation of the interface for Input test.
According to org.apache.dubbo.common.serialize.ObjectOutput the each method statement to organize all the implementation of the interface for the Output of the test.
According to org.apache.dubbo.common.serialize.Serialization of the interface each method statement to organize all the tests for Serialization.

2. Add test units for other modules

All implementations need to reference this issue and are Combined with Tongyiling code, And to be in https://tianchi.aliyun.com/competition/entrance/532215/information?spm=a2c22.29162791.J_6506535330.6.5a2f13f9Cxtw4u

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

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