TEST_MAPPING

{
  "presubmit": [
    {
      "name": "HelloWorldTests",
      "options": [
        {
          "instrumentation-arg": "annotation:=android.support.test.filters.SmallTest"
        }
      ]
    },
    {
      "name": "hello_world_test",
      "host": true
    }
  ]
}