 
 				var lastValue: Int?
 				var completed = false
-				signal.observe(
-					next: { lastValue = $0 },
-					completed: { completed = true }
-				)
+				signal.observe(next: {
+					lastValue = $0
+				}, completed: {
+					completed = true
+				})
 
 				expect(lastValue).to(beNil())
 				expect(completed).to(beFalse())

				
				let signal: Signal<Int, NoError> = Signal { observer in
					testScheduler.schedule {
						for number in [1, 2] {
							sendNext(observer, number)
						}
						sendCompleted(observer)

				testScheduler.run()
				
				expect(disposable.disposed).to(beTruthy())
				expect(fromSignal).to(equal([ 1, 2 ]))
			}

			it("should not trigger side effects") {
