Unshort URL with Scala and Dispatch

UnshortTest.scala

import java.net.URI

import org.scalatest._
import scala.concurrent.duration._

class UnshortTest extends FlatSpec with Matchers {

  def unshort(u: String, w: Duration): Option[URI] = {
    import dispatch._, Defaults._
    import scala.concurrent.Await

    val r = Http.configure(_ setFollowRedirects true)(url(u) OK as.Response(_.getUri))
    try {
      Some(Await.result(r, w))
    } catch {
      case _: Throwable => None
    }
  }

  it should "return unshorted url during 10 seconds" in {
    val url = "https://en.wikipedia.org/wiki/Iceland"
    assert(unshort("https://goo.gl/Plnzty", 10.seconds).get.toString == url)
  }

  it should "fail on bad url" in {
    assert(unshort("https://goo.gle/Plnzty123", 10.seconds) == None)
  }

  it should "fail with URISyntaxException on empty url" in {
    intercept [java.net.URISyntaxException] {
      unshort("", 10.seconds)
    }
  }

  it should "return same url" in {
    val url = "http://slickdeals.net/newsearch.php?searchin=first&forumchoice%5B%5D=25&rss=1"
    assert(unshort(url, 10.seconds).get.toString == url)
  }

}