Stable unexpected results (1): 
  ▶ CRASH [expected ERROR] /service-workers/service-worker/ready.https.window.html
  │ 
  │ assertion failed: !GetCurrentRealmOrNull(*cx).is_null() (thread SW:web-platform.test:8443/service-workers/service-worker/resources/empty-worker.js, at components/script/realms.rs:25)
  │    0: servoshell::backtrace::print
  │    1: servoshell::panic_hook::panic_hook
  │    2: std::panicking::rust_panic_with_hook
  │    3: std::panicking::begin_panic_handler::{{closure}}
  │    4: std::sys::backtrace::__rust_end_short_backtrace
  │    5: rust_begin_unwind
  │    6: core::panicking::panic_fmt
  │    7: core::panicking::panic
  │    8: <T as script::dom::bindings::reflector::DomGlobal>::global
  │    9: script::dom::event::Event::dispatch
  │   10: script::dom::serviceworkerglobalscope::ServiceWorkerGlobalScope::dispatch_activate
  │   11: std::sys::backtrace::__rust_begin_short_backtrace
  │   12: core::ops::function::FnOnce::call_once{{vtable.shim}}
  │   13: std::sys::pal::unix::thread::Thread::new::thread_start
  │   14: <unknown>
  └   15: <unknown>