Workaround the test_parallel_wait, adjust the switching threads
Mark the ordering of flow of the test_parallel_wait
add a point of switching thread
Merge pull request #42 from jca02266/fix-test

Workaround for the test_parallel_wait test
Add Ruby 2.2.0 to .travis.yml
Merge pull request #43 from jca02266/fix-test

Add Ruby 2.2.0 to .travis.yml