systrace/catapult/third_party/polymer/components/shadycss/wct.conf.json

{
  "suites": ["tests/runner.html"],
  "npm": true,
  "plugins": {
    "local": {
      "browserOptions": {
        "chrome": [
          "disable-gpu",
          "no-sandbox"
        ]
      }
    }
  }
}