kats added a work around so these statements are skipped instead of throwing an error, but presumably something more could be done: https://github.com/mozsearch/mozsearch/pull/141/commits/7ec00aace4450c4409d927538b993f12a5565661 These files were failing: ERROR Unable to parse JS file /index/comm-central/comm-central/mozilla/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/cycle-tdz-access.js:1. ERROR Unable to parse JS file /index/comm-central/comm-central/mozilla/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/cycle-unresolvable-a.js:1. ERROR Unable to parse JS file /index/comm-central/comm-central/mozilla/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/cycle-unresolvable.js:1.

Well, according to the commit this file was failing: testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/propagate-nonce-external.js