diff --git a/helloworld-test-sample/test/runTest.ts b/helloworld-test-sample/test/runTest.ts
index 9e22eae1..d282c406 100644
--- a/helloworld-test-sample/test/runTest.ts
+++ b/helloworld-test-sample/test/runTest.ts
@@ -16,15 +16,10 @@ async function go() {
       testRunnerPath,
       testWorkspace
     })
-    await sleep(10000)
   } catch (err) {
     console.error('Failed to run tests')
     process.exit(1)
   }
 }
 
-go()
-
-export function sleep(ms: number) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
+go()
\ No newline at end of file