diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 192232d..0b922c8 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -27,7 +27,9 @@
     },
     {
       "name": "cow_api_test"
-    },
+    }
+  ],
+  "presubmit-large": [
     {
       "name": "snapuserd_test"
     }