         let scheduler = TestScheduler(initialClock: 0)
         
         let xs = scheduler.createHotObservable([
-            next(150, 1),
-            next(210, 2),
-            next(220, 3),
-            completed(250),
-            error(260, testError)
+            .next(150, 1),
+            .next(210, 2),
+            .next(220, 3),
+            .completed(250),
+            .error(260, testError)
             ])
         
         let res = scheduler.start { () -> Observable<Int> in

        let scheduler = TestScheduler(initialClock: 0)
        
        let xs = scheduler.createHotObservable([
            next(150, 1),
            next(160, 2),
            next(280, 3),
            next(250, 4),
            next(300, 5)
            ])
        
        let res = scheduler.start { () -> Observable<Int> in

        let scheduler = TestScheduler(initialClock: 0)
        
        let xs = scheduler.createHotObservable([
            .next(150, 1),
            .next(210, 2),
            .completed(250),
            .error(260, testError)
            ])
        
        let res = scheduler.start { () -> Observable<Int> in
