[Chaos] Adding unittests to chaos AP

Adding unittests to run on local server before deploying.

BUG=None
TEST= Start local server with 'devapp_server.py app.yaml' then run
'python chaos_unittest.py' for tests.

Change-Id: I5744a6d3d7e429342adce3f1dc637919065d66eb
Reviewed-on: https://chromium-review.googlesource.com/929589
Commit-Ready: Ruchi Jahagirdar <rjahagir@chromium.org>
Tested-by: Ruchi Jahagirdar <rjahagir@chromium.org>
Reviewed-by: Harpreet Grewal <harpreet@chromium.org>
1 file changed