diff --git a/tests/baselines/reference/user/axios-src.log b/tests/baselines/reference/user/axios-src.log
index b9c1388292aa1..e28a4364ba420 100644
--- a/tests/baselines/reference/user/axios-src.log
+++ b/tests/baselines/reference/user/axios-src.log
@@ -1,10 +1,10 @@
 Exit Code: 1
 Standard output:
 lib/adapters/http.js(13,19): error TS2732: Cannot find module './../../package.json'. Consider using '--resolveJsonModule' to import module with '.json' extension
-lib/adapters/http.js(84,22): error TS2345: Argument of type 'string | undefined' is not assignable to parameter of type 'string'.
-  Type 'undefined' is not assignable to type 'string'.
-lib/adapters/http.js(124,17): error TS2532: Object is possibly 'undefined'.
-lib/adapters/http.js(124,40): error TS2532: Object is possibly 'undefined'.
+lib/adapters/http.js(84,22): error TS2345: Argument of type 'string | null' is not assignable to parameter of type 'string'.
+  Type 'null' is not assignable to type 'string'.
+lib/adapters/http.js(124,17): error TS2531: Object is possibly 'null'.
+lib/adapters/http.js(124,40): error TS2531: Object is possibly 'null'.
 lib/adapters/http.js(223,23): error TS2345: Argument of type 'null' is not assignable to parameter of type 'string | undefined'.
 lib/adapters/http.js(229,44): error TS2345: Argument of type 'null' is not assignable to parameter of type 'string | undefined'.
 lib/adapters/http.js(235,13): error TS2322: Type 'string' is not assignable to type 'Buffer'.