Add index length

Author: fogelito

tests/e2e/Adapter/Base.php

@@ -1122,7 +1122,7 @@ public function testCreateIndex(): void
         $database->createCollection('indexes');
 
         $database->createAttribute('indexes', 'int', Database::VAR_INTEGER, 8, false, array:true);
-        $database->createIndex('indexes', 'indx8711', Database::INDEX_KEY, ['int']);
+        $database->createIndex('indexes', 'indx8711', Database::INDEX_KEY, ['int'], [255]);
 
         //        if ($this->getDatabase()->getAdapter()->getSupportForCastIndexArray()) {
         //            /**