diff --git a/langchain-core/src/runnables/tests/signal.test.ts b/langchain-core/src/runnables/tests/signal.test.ts
index 565fc3267b18..7413ea3794cf 100644
--- a/langchain-core/src/runnables/tests/signal.test.ts
+++ b/langchain-core/src/runnables/tests/signal.test.ts
@@ -1,6 +1,7 @@
 /* eslint-disable no-promise-executor-return */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
+import { test, describe, expect } from "@jest/globals";
 import {
   Runnable,
   RunnableLambda,