Checked with 7/6 master build Test run such as |./mach web-platform-tests _mozilla/service-workers/service-worker/stashed-ports.https.html| Result: * Harness status: OK * Found 4 tests ** 1 Pass ** 3 Fail: ***Name set when adding port is set correctly ****self.ports is undefined @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:33:9 Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:1363:20 test@https://web-platform.test:8443/resources/testharness.js:496:9 @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:30:1 *** Messages posted into stashed port arrive on other side **** self.ports is undefined @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:39:9 Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:1363:20 promise_test@https://web-platform.test:8443/resources/testharness.js:520:25 @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:37:1 *** Messages sent to stashed port arrive as global events ****self.ports is undefined @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:50:9 Test.prototype.step@https://web-platform.test:8443/resources/testharness.js:1363:20 promise_test@https://web-platform.test:8443/resources/testharness.js:520:25 @https://web-platform.test:8443/_mozilla/service-workers/service-worker/resources/stashed-ports-basics.js:47:1 * Traces: https://pastebin.mozilla.org/8838619

This is not in the spec, afaict.

I'm not sure either where in the spec this is defined, nor can i find it in any normal worker spec. Bumping for later.

This test has also been removed from Blink. We should just remove it.