strict.test_wasm_worker_futex_wait_pthreads regression

[juj]

PR #26827 brought a regression:

commit f92e9e1d5d5dd9c886724d0eb35322e6c5058f83
Author: Sam Clegg <sbc@chromium.org>
Date:   Sun May 3 22:04:40 2026 -0700

    Run `test_wasm_worker_futex_wait` also in hybrid mode. NFC (#26827)

test\runner strict.test_wasm_worker_futex_wait_pthreads

hangs without ever finishing. Looks like it's deterministic on my Linux bot:

http://clbri.com:8010/#/builders/11