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### _Why are the changes needed?_
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Upload engine log in GA if failure.
FYI:
The engine log path is `kyuubi-main/target/work/travis/kyuubi-spark-sql-engine.log*`.
### _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
- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests) locally before make a pull request
Closes#540 from turboFei/KYUUBI-520-upload-ga.
Closes#520
5c18c95 [fwang12] remove blank lines
757f749 [fwang12] [KYUUBI #520] Upload engine log in GA if failure
Authored-by: fwang12 <fwang12@ebay.com>
Signed-off-by: fwang12 <fwang12@ebay.com>
48458806eb