All the unit tests are suggested to be a final class, as it is not
likely to extend them.
## Unit test class
define unit test class as a final class
```java
public final class AesUtilsTest {
...
}
```
XiaoYu <[email protected]> 于2021年9月6日周一 下午6:50写道：
>
> Hi community
> A project's code habits are very important,
> especially for projects like ours that are entirely community-based.
> So I'd like to invite everyone to come together and suggest better code to
> make the shenyu project better.
>
> If you have good suggestions you can reply directly to the email.
> Or reply this issue : https://github.com/apache/incubator-shenyu/issues/2033
>
> Thanks！
