Git commits in Moodle 3.5.6 by M

commit 8f9f22aeb311beb5ae2822c6f0dc3afd675a107b
Author: M <12033826+maksudr@users.noreply.github.com>
Date:   Wed, 20 Mar 2019 03:36:57 +0800
Tag:    v3.5.6

MDL-65038 core_files: Fix typo in function mock_response