diff --git a/node.js/cds-test.md b/node.js/cds-test.md
index 914d871ca..aadc295f5 100644
--- a/node.js/cds-test.md
+++ b/node.js/cds-test.md
@@ -197,7 +197,10 @@ const { Test } = cds.test
 cds.test = (...args) => (new Test).run(...args)
 ```
 
+:::warning Run `cds.test` once per test file
 
+`@sap/cds` relies on server state like `cds.model`. Running `cds.test` multiple times within the same test file can lead to a conflicting state and erratic behavior.
+:::