test: allow embedder running async context frame test

PR-URL: #57193
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: codebytere

test/parallel/test-async-context-frame.mjs

@@ -50,6 +50,7 @@ describe('AsyncContextFrame', {
       const proc = spawn(python, [
         testRunner,
         `--mode=${process.features.debug ? 'debug' : 'release'}`,
+        `--shell=${process.execPath}`,
         '--node-args=--experimental-async-context-frame',
         test,
       ], {