Update unsubscribeOn tests to avoid the termination-cancel race

Author: akarnokd

src/test/java/io/reactivex/internal/operators/flowable/FlowableUnsubscribeOnTest.java

@@ -47,7 +47,10 @@ public void subscribe(Subscriber<? super Integer> t1) {
                     t1.onSubscribe(subscription);
                     t1.onNext(1);
                     t1.onNext(2);
-                    t1.onComplete();
+                    // observeOn will prevent canceling the upstream upon its termination now
+                    // this call is racing for that state in this test
+                    // not doing it will make sure the unsubscribeOn always gets through
+                    // t1.onComplete();
                 }
             });
 
@@ -93,7 +96,10 @@ public void subscribe(Subscriber<? super Integer> t1) {
                     t1.onSubscribe(subscription);
                     t1.onNext(1);
                     t1.onNext(2);
-                    t1.onComplete();
+                    // observeOn will prevent canceling the upstream upon its termination now
+                    // this call is racing for that state in this test
+                    // not doing it will make sure the unsubscribeOn always gets through
+                    // t1.onComplete();
                 }
             });
 

src/test/java/io/reactivex/internal/operators/observable/ObservableUnsubscribeOnTest.java

@@ -46,7 +46,10 @@ public void subscribe(Observer<? super Integer> t1) {
                     t1.onSubscribe(subscription);
                     t1.onNext(1);
                     t1.onNext(2);
-                    t1.onComplete();
+                    // observeOn will prevent canceling the upstream upon its termination now
+                    // this call is racing for that state in this test
+                    // not doing it will make sure the unsubscribeOn always gets through
+                    // t1.onComplete();
                 }
             });
 
@@ -92,7 +95,10 @@ public void subscribe(Observer<? super Integer> t1) {
                     t1.onSubscribe(subscription);
                     t1.onNext(1);
                     t1.onNext(2);
-                    t1.onComplete();
+                    // observeOn will prevent canceling the upstream upon its termination now
+                    // this call is racing for that state in this test
+                    // not doing it will make sure the unsubscribeOn always gets through
+                    // t1.onComplete();
                 }
             });