fix this test file
Merge pull request #5 from amarandon/async_experiment

Fix statsd plugin test
flake8 fixes
add support for overriding arbiter params
fix most arbiter tests
new file
Merge remote-tracking branch 'refs/remotes/origin/async_experiment' into async_experiment
removing a test file (already loved by amarandon)
test_stats_client is now async
update
Pour resource watcher test to async core

 * get resource watcher test to work with the new async core
 * extract duplicated test code into intent-revealing test methods
 * make leaky process safer by constraining it to reasonable limit, in
   order to prevent freezing developer's machine when working on these
   tests