add fileop junit test
trigger travis
trigger
run test
trigger again
To test whether the travis can read the env vars
to trigger travis read envs
fixed 1st by review suggestions
to debug travis by print statement
debug again
just for debug
for debug dont review
update .travis
final test
fix upload check with hash
use uniform acckey seckey
Merge pull request #30 from wangjinlei/feature/add_juint_test

Feature/add juint test