Restore Config caching in tests.
Review Request #2160 - Created May 5, 2015 and submitted
|davidt, patricklaw, zundel|
It turns out that some tests still use it, subtly. Things were working before because of the order in which some tests happened to be run :( TODO: Figure out that test interdependency issue.
CI passed: https://travis-ci.org/pantsbuild/pants/builds/61229496.
Status: Closed (submitted)
Submitted as ba7131d91a822f2274257332893d6e68d005dd38.