test: fix flaky test-worker-prof

Fixes: nodejs#26401

Author: Trott

test/sequential/sequential.status

@@ -9,8 +9,6 @@ prefix sequential
 test-cpu-prof-dir-worker: PASS, FLAKY
 
 [$system==win32]
-# https://github.com/nodejs/node/issues/26401
-test-worker-prof: PASS, FLAKY
 
 [$system==linux]
 
@@ -31,5 +29,3 @@ test-buffer-creation-regression: SKIP
 test-perf-hooks: SKIP
 
 [$arch==arm]
-# https://github.com/nodejs/node/issues/26401#issuecomment-613095719
-test-worker-prof: PASS, FLAKY

test/sequential/test-worker-prof.js

@@ -49,9 +49,10 @@ if (process.argv[2] === 'child') {
   w.postMessage(process.execPath);
 } else {
   tmpdir.refresh();
+  const timeout = common.platformTimeout(60_000);
   const spawnResult = spawnSync(
     process.execPath, ['--prof', __filename, 'child'],
-    { cwd: tmpdir.path, encoding: 'utf8', timeout: 30_000 });
+    { cwd: tmpdir.path, encoding: 'utf8', timeout });
   assert.strictEqual(spawnResult.stderr.toString(), '',
                      `child exited with an error: \
                      ${util.inspect(spawnResult)}`);