Use Ember Exam even without concurrency (#1108)
Use Ember Exam even without concurrency (#1108)

I had a spurious test failure, but no seed to go off of.

Passing the `random` option will ensure a seed is logged,
meaning we should be able to reproduce locally and fix once and for all.
travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web,fotinakis/travis-web,fotinakis/travis-web,travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web