test: enable the WPT for structuredClone

So far, all `structuredClone` tests have been just skipped.

Signed-off-by: Daeyeon Jeong <daeyeon.dev@gmail.com>
PR-URL: #45482
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>

test/wpt/status/html/webappapis/structured-clone.json

@@ -1,5 +1,7 @@
 {
   "structured-clone.any.js": {
-    "skip": "Missing File API"
+    "fail": {
+      "expected": ["File basic"]
+    }
   }
 }

test/wpt/test-structured-clone.js

@@ -6,8 +6,8 @@ const { WPTRunner } = require('../common/wpt');
 const runner = new WPTRunner('html/webappapis/structured-clone');
 
 runner.setInitScript(`
-  const { Blob } = require('buffer');
-  global.Blob = Blob;
+  const { File } = require('buffer');
+  globalThis.File = File;
 `);
 
 runner.runJsTests();