Failing finagle client

@RunWith(classOf[JUnitRunner])
class ClientObjectTests extends FlatSpec with Matchers with BeforeAndAfterAll {
  "A client" should "be closeable" in {
    val client =
      ClientBuilder()
        .dest("localhost:1")
        .codec(Http())
        .hostConnectionLimit(1)
        .build()

    val request = client(RequestBuilder.get("invalid")).rescue {
      case e: Exception => Future.value("this is ok")
    }

    println(Await.result(request))

    Await.result(client.close()) // heap OOM error...
  }
}