 
 				sendCompleted(originalSink)
 				expect(completed).to(beFalse())
+
 				sendCompleted(subsequentSink)
 				expect(completed).to(beTrue())
 			}


		describe("then") {
			it("should start the subsequent producer after the completion of the original") {
				var sink: Signal<Int, NoError>.Observer!
				let original = SignalProducer<Int, NoError> { observer, _ in
					sink = observer
				}

				var subsequentStarted = false
				let subsequent = SignalProducer<Int, NoError> { observer, _ in

			}

			it("should complete when both inputs have completed") {
				let (original, originalSink) = SignalProducer<Int, NoError>.buffer()
				let (subsequent, subsequentSink) = SignalProducer<String, NoError>.buffer()

				let producer = original |> then(subsequent)

