diff --git a/tests/schema/core/refs/sync.json b/tests/schema/core/refs/sync.json
index 156f12378ed24fa35d182614e45f1be341376a11..11485ecb2664625ce2b01945092d4fb962d6a889 100644
--- a/tests/schema/core/refs/sync.json
+++ b/tests/schema/core/refs/sync.json
@@ -1,6 +1,8 @@
 [
   {
     "description": "should work on async mode (by default)",
+    "timeout": 30000,
+    "online": true,
     "tests": [
       {
         "description": "should resolve all references",