test: fix file path in permission symlink test

PR-URL: #46859
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

test/parallel/test-permission-deny-fs-symlink-target-write.js

@@ -53,9 +53,7 @@ fs.writeFileSync(path.join(readWriteFolder, 'file'), 'NO evil file contents');
     }));
 
     // App will be able to write to the symlink
-    fs.writeFile('file', 'some content', (err) => {
-      assert.ifError(err);
-    });
+    fs.writeFile(path.join(writeOnlyFolder, 'link-to-read-write'), 'some content', common.mustSucceed());
   });
 
   // App won't be able to symlink to a readOnlyFolder