diff --git a/tests/unit/core/mock/database/driver.php b/tests/unit/core/mock/database/driver.php
index 1baa03cb01fe8..35c93d7462db1 100644
--- a/tests/unit/core/mock/database/driver.php
+++ b/tests/unit/core/mock/database/driver.php
@@ -51,6 +51,7 @@ public static function create($test, $driver = '', array $extraMethods = array()
 			'freeResult',
 			'getAffectedRows',
 			'getCollation',
+			'getConnectionCollation',
 			'getConnectors',
 			'getDateFormat',
 			'getErrorMsg',