Summary:
Let's switch to xdiff for its better diff quality and performance!
The test changes demonstrate xdiff's better diff quality.
Reviewed By: ryanmce
Differential Revision: D7135206
fbshipit-source-id: 1775df6fc0f763df074b4f52779835d6ef0f3a4e
Summary:
Now they are unnecessary since `run-tests.py` will set up `PYTONPATH`
correctly.
Differential Revision: D6865042
fbshipit-source-id: ca95314f725968e14349a9d916434aa832c596f9
Summary:
We moved the `fastannotate` itself, let's move the tests now.
Depends on D6683689
Test Plan: - run tests in the next commit in this stack
Reviewers: #sourcecontrol
Differential Revision: https://phabricator.intern.facebook.com/D6683764