class MyActorSpec extends fixture.WordSpec with Matchers
  with fixture.UnitFixture
  with ParallelTestExecution {

  def makeActor(system: ActorSystem): ActorRef = system.actorOf(Props[MyActor], "MyActor")

  "My Actor" should {
    "throw when made with the wrong name" in new ActorSys {
      a[Exception] should be thrownBy {
        val a = system.actorOf(Props[MyActor])
      }
    }
    "construct without exception" in new ActorSys {
      val a = makeActor(system)
    }
    "respond with a Pong to a Ping" in new ActorSys {
      val a = makeActor(system)
      a ! "Ping"
      expectMsg("Pong")
    }
  }
}
[pre]