firefox/testing/web-platform/tests/fetch/content-encoding/gzip/gzip-navigation.https.window.js

// META: script=../../../service-workers/service-worker/resources/test-helpers.sub.js

promise_test(async t => {
  const frame = await with_iframe('./resources/hello.html.gz');
  assert_equals(frame.contentDocument.body.textContent, 'Hello world');
}, `Naigation to gzip encoded page`);