Git commits in Moodle 3.4.1 by Adam Olley

commit 7f83e99e5fa0e0ce82a41e7658b3c6a42b48081f
Author: Adam Olley <adam.olley@blackboard.com>
Date:   Mon, 06 Nov 2017 21:54:51 +0800
Tag:    v3.4.1

MDL-60707 core_search: In tests, use faked time for indexing length