diff --git a/lib/behat/classes/util.php b/lib/behat/classes/util.php
index 93ffb91fadc..95b3faa53e9 100644
--- a/lib/behat/classes/util.php
+++ b/lib/behat/classes/util.php
@@ -114,6 +114,9 @@ class behat_util extends testing_util {
         // Enable web cron.
         set_config('cronclionly', 0);
 
+        // Set editor autosave to high value, so as to avoid unwanted ajax.
+        set_config('autosavefrequency', '604800', 'editor_atto');
+
         // Keeps the current version of database and dataroot.
         self::store_versions_hash();