ryanbrainard/heroku-buildpack-testrunner — pull request #2 by naaman (2013-12-20 02:55:10+00:00)
Title: Send Empty Env File to Compile

`bin/compile` has an optional third argument of an environment file.
The compile phase should pass the third argument. Tests can setup
environment by appending to the file.

e.g.

cat >$ENV_FILE<