diff --git a/lib/behat/classes/util.php b/lib/behat/classes/util.php
index 6397f2c3d00..3f4f28f2894 100644
--- a/lib/behat/classes/util.php
+++ b/lib/behat/classes/util.php
@@ -132,6 +132,12 @@ class behat_util extends testing_util {
         set_config('curlsecurityblockedhosts', '');
         set_config('curlsecurityallowedport', '');
 
+        // Execute all the adhoc tasks.
+        while ($task = \core\task\manager::get_next_adhoc_task(time())) {
+            $task->execute();
+            \core\task\manager::adhoc_task_complete($task);
+        }
+
         // Keeps the current version of database and dataroot.
         self::store_versions_hash();
 
diff --git a/lib/phpunit/classes/util.php b/lib/phpunit/classes/util.php
index da44065f360..6b478152c04 100644
--- a/lib/phpunit/classes/util.php
+++ b/lib/phpunit/classes/util.php
@@ -477,6 +477,12 @@ class phpunit_util extends testing_util {
         set_config('curlsecurityblockedhosts', '');
         set_config('curlsecurityallowedport', '');
 
+        // Execute all the adhoc tasks.
+        while ($task = \core\task\manager::get_next_adhoc_task(time())) {
+            $task->execute();
+            \core\task\manager::adhoc_task_complete($task);
+        }
+
         // We need to keep the installed dataroot filedir files.
         // So each time we reset the dataroot before running a test, the default files are still installed.
         self::save_original_data_files();