### _Why are the changes needed?_
As Kyuubi supports REST frontend protocol now, and MySQL frontend protocol is coming soon, Thrift is not the only one, this PR refacotor the test classes to match the changes.
### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [x] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#1331 from pan3793/test.
Closes#1331
67c65810 [Cheng Pan] nit
f9168358 [Cheng Pan] [TEST] Refactor test classes to match multi frontend protocol
Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>
4ac8b09b2f