Hublo integration
tapstream: port to new test api
rollbar: port to new test api
Merge pull request #262 from segmentio/test/rollbar

rollbar: port to new test api
why am i so stupid
Merge branch 'master' of ssh://github.com/segmentio/analytics.js-integrations
optimizely: port tests to new api
Merge pull request #263 from segmentio/test/optimizely

optimizely: port tests to new api
sentry: start porting tests
foxmetrics: port tests to new api, fix page(category)
usercycle: port tests to new api
preact: port tests to new api
piwik: port tests to new api
saasquatch: port tests to new api
qualaroo: port tests to new api
intercom: port tests to new api
Merge pull request #273 from segmentio/test/intercom

intercom: port tests to new api
Merge pull request #272 from segmentio/test/qualaroo

qualaroo: port tests to new api
Merge pull request #270 from segmentio/test/piwik

piwik: port tests to new api
Merge pull request #269 from segmentio/test/preact

preact: port tests to new api