test: fix node defaultLoad error message check

Author: isaacs

src/test/esm-loader.spec.ts

@@ -95,7 +95,7 @@ test.suite('esm', (test) => {
     });
     expect(r.err).not.toBe(null);
     // expect error from node's default resolver
-    expect(r.stderr).toMatch(/Error \[ERR_UNSUPPORTED_ESM_URL_SCHEME\]:.*(?:\n.*){0,2}\n *at defaultResolve/);
+    expect(r.stderr).toMatch(/Error \[ERR_UNSUPPORTED_ESM_URL_SCHEME\]:.*(?:\n.*){0,2}\n *at default(Load|Resolve)/);
   });
 
   test('should bypass import cache when changing search params', async () => {