Import config to make unit tests friendlier to running independently

The HHVM test runner runs the unit tests in parallel. Currently some tests
fail because not all the dependencies are properly included.

This is similar to 607cb3b0b3b877456dd328594610202d1078bdc9

Signed-off-by: Jeff Chan <jefftchan@gmail.com>
Merge pull request #1046 from jeffchan/fix-tests

Import config to make unit tests friendlier to running independently