diff --git a/extensions/typescript-language-features/test-workspace/tsconfig.json b/extensions/typescript-language-features/test-workspace/tsconfig.json
index 4935a9037fa..bf3bdd34f19 100644
--- a/extensions/typescript-language-features/test-workspace/tsconfig.json
+++ b/extensions/typescript-language-features/test-workspace/tsconfig.json
@@ -1,5 +1,6 @@
 {
 	"compilerOptions": {
-		"target": "es2018"
+		"target": "es2018",
+		"noEmit": true
 	}
 }