WP_Site_Health_Auto_Updates::test_vcs_abspath()
Method: Checks if WordPress is controlled by a VCS (Git, Subversion etc).
Source: wp-admin/includes/class-wp-site-health-auto-updates.php:216
WP_Site_Health_Auto_Updates::test_check_wp_filesystem_method()
Method: Checks if we can access files without providing credentials.
Source: wp-admin/includes/class-wp-site-health-auto-updates.php:286
WP_Site_Health_Auto_Updates::test_all_files_writable()
Method: Checks if core files are writable by the web user/group.
Source: wp-admin/includes/class-wp-site-health-auto-updates.php:322