OpenSearch/qa/os/windows-2016/build.gradle

String boxId = project.properties.get('vagrant.windows-2016.id')
if (boxId != null) {
  vagrant {
    hostEnv 'VAGRANT_WINDOWS_2016_BOX', boxId
  }
} else {
  tasks.named('distroTest').configure {
    onlyIf { true }
  }
}