Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  ba2ee4fa6946fd672709d4b0ffa1d40a55bfd87b

Test: Add very basic tests for a variety of API methods

There does seem to be a bit of code duplication between these
tests, could probably still work to make helper assertions and
DRY this up, but it already seems like a good start and good
to have some tests here.

Change-Id: Icc31d684cd4ad5dec0b6c67a69c72b6ddd0ccca7