Git commits in Moodle 3.9.8 by Jun Pataleta

commit 4c6b771c2fa5a3014d3fd6eb3af0edf79e6be90e
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 15 Apr 2021 12:43:27 +0800
Tag:    v3.9.8

MDL-71939 mod_h5pactivity: Increase window size during test