Git commits in Moodle 3.9.15 by Noel De Martin

commit 47402416fdb1f007989c65b644235c0c514ad098
Author: Noel De Martin <noel@moodle.com>
Date:   Thu, 30 Jun 2022 17:32:35 +0800
Tag:    v3.9.15

MDL-74613 grade: Fix undefined behat step


commit 964c98c8d933b59e7ddc00d5187203fbbbc6e582
Author: Noel De Martin <noel@moodle.com>
Date:   Wed, 29 Jun 2022 00:01:33 +0800
Tag:    v3.9.15

MDL-75084 blog: Implement behat generators


commit 56afed9678aa87b8007fa196d08c92ae5950b032
Author: Noel De Martin <noel@moodle.com>
Date:   Thu, 12 May 2022 21:42:10 +0800
Tag:    v3.9.15

MDL-74220 data: Implement behat generators


commit 7e48ec1820607c4c8510ec78ed9cddef6e177a28
Author: Noel De Martin <noel@moodle.com>
Date:   Fri, 29 Apr 2022 22:38:41 +0800
Tag:    v3.9.15

MDL-74613 grade: Add missing generators