$ ./wpt run --channel=dev chrome native-io/rename_sync_failure_handling.tentative.https.any.worker.html
Running 1 tests in web-platform-tests

  ▶ ERROR [expected OK] /native-io/rename_sync_failure_handling.tentative.https.any.worker.html
  │   → Uncaught TypeError: Cannot read property 'index' of null
  │ 
  │ TypeError: Cannot read property 'index' of null
  │     at RemoteContext.remote_done (https://web-platform.test:8443/resources/testharness.js:2632:50)
  └     at Worker.RemoteContext.message_handler (https://web-platform.test:8443/resources/testharness.js:2558:62)

  [1/1] No tests running.

        for (let assert of data.asserts) {
            var record = new AssertRecord();
            record.assert_name = assert.assert_name;
            record.args = assert.args;
            record.test = this.tests[assert.test.index];  <---- this line
            record.status = assert.status;
            record.stack = assert.stack;
            tests.asserts_run.push(record);
        }