It appears that the official chrome webstore extension by Rob W is outdated.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

function runTest() {
      return streamqueue(
        { objectMode: true },
        createTestSource("unit"),
        createTestSource("browser"),
        createTestSource("integration")
      );
    }
  )
);
gulp.task(
  "bottest",
  gulp.series(
    setTestEnv,
    "generic",
    "components",
    "dev-fitCurve",
    function runBotTest() {
      return streamqueue(
        { objectMode: true },
        createTestSource("unit", { bot: true }),
        createTestSource("font", { bot: true }),
        createTestSource("browser", { bot: true }),
        createTestSource("integration")
      );
    }
  )
);
gulp.task(
  "xfatest",