@Test
public void itDelegatesToDownloadManageEnqueueRequest() {

  FileDownloadManager fileDownloadManager = new FileDownloadManager(downloadManagerMock);
  Uri uri = Uri.parse("http://google.com");
  String directory = Environment.DIRECTORY_DOWNLOADS;
  String filePath = "download.html";
  fileDownloadManager.enqueue(uri, directory, filePath);
  verify(downloadManagerMock).enqueue(any(DownloadManager.Request.class));
}