It appears that the official chrome webstore extension by Rob W is outdated. It was last updated in 2019. 

}
  )
);
gulp.task(
  "browsertest",
  gulp.series(setTestEnv, "generic", "components", function runBrowserTest() {
    return createTestSource("browser");
  })
);
gulp.task(
  "botbrowsertest",
  gulp.series(
    setTestEnv,
    "generic",
    "components",
    function runBotBrowserTest() {
      return streamqueue(
        { objectMode: true },
        createTestSource("browser", { bot: true })
      );
    }
  )
);
gulp.task(
  "unittest",
  gulp.series(setTestEnv, "generic", "dev-fitCurve", function runUnitTest() {
    return createTestSource("unit");
  })
);
gulp.task(