TEST_MAPPING

{
  "presubmit": [
    {
      "name": "DocumentsUIGoogleTests",
      "keywords": ["primary-device"]
    },
    {
      "name": "DocumentsUIUnitTests"
    }
  ],
  "postsubmit": [
    {
      "name": "DocumentsUIGoogleTests",
      "keywords": ["primary-device"]
    }
  ]
}