Remove unnecessary terminal event checks

Author: ZacSweers

src/test/java/rx/SingleTest.java

@@ -1595,7 +1595,6 @@ public void testUntilFires() {
         until.onNext(1);
 
         ts.assertError(CancellationException.class);
-        ts.assertTerminalEvent();
 
         assertFalse("Source still has observers", source.hasObservers());
         assertFalse("Until still has observers", until.hasObservers());
@@ -1617,7 +1616,6 @@ public void testUntilFiresObservable() {
         until.onNext(1);
 
         ts.assertError(CancellationException.class);
-        ts.assertTerminalEvent();
 
         assertFalse("Source still has observers", source.hasObservers());
         assertFalse("Until still has observers", until.hasObservers());