fix: dart test

Author: loks0n

templates/dart/lib/query.dart.twig

@@ -84,7 +84,7 @@ class Query {
       Query._('contains', attribute, value).toString();
 
   static String or(List<String> queries) =>
-    Query._('and', null, queries.map((query) => jsonDecode(query)).toList()).toString();
+    Query._('or', null, queries.map((query) => jsonDecode(query)).toList()).toString();
 
   static String and(List<String> queries) =>
       Query._('and', null, queries.map((query) => jsonDecode(query)).toList()).toString();