Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  b68794c21f77f1adbc6efc62bb02d10204d4ba2f

Updated requirements for browsertests

Change-Id: I0424b28b3d4b08ad3d9d3c2da62ceddd81e1bd6d
Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  abcd9f781eed8affb86eae1ea5de0eb5ae63d8f1

Require parallel_tests gem for browsertests

This will allow us to run some of the selenium tests in parallel which
will decrease time of the testruns

Change-Id: I2f0dd05dfc2d8b62530813e37894c754703ae90b