stefanpenner/ember-cli — pull request #2025 by rwjblue (2014-09-17 12:11:01+00:00)
Title: Exit non-zero with nice error if `ember test` runs nothing.

Credit for accessing the test count from `testem` goes to @huafu (thanks!).

Closes #2020.
Closes #1451 (by providing a nice error message explaining what is wrong).