Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  4089b0231ca7a61d014fcf070a642365b00f1ef9

Rename HooksTest to CirrusSearchHooksTest

to avoid naming conflicts with HooksTest in core,
and fatal error when running core + extension tests.

Change-Id: I7fa197f298e2be416dfb0ff6f7cdc65a1082a067