Fix run_zoned6 and run_zoned9 test.

tests/lib/async/run_zoned6_test.dart

Index: tests/lib/async/run_zoned6_test.dart
diff --git a/tests/lib/async/run_zoned6_test.dart b/tests/lib/async/run_zoned6_test.dart
index 45507330e9261b81826898ebd841c67f9e675853..9ede7a735fd7984a46ce4d2e1612daad3065a898 100644
--- a/tests/lib/async/run_zoned6_test.dart
+++ b/tests/lib/async/run_zoned6_test.dart
@@ -14,12 +14,13 @@ main() {
     runZonedExperimental(() { throw 0; },
                         onError: (e) {
                           Expect.equals(0, e);
-                          asyncEnd();
+                          if (false) /// 01: runtime error
+                            asyncEnd();
                           throw e;  /// 01: runtime error
                         });
   } catch (e) {
     // We should never see an error here.
-    if (true)  /// 01: continued
+    if (false)  /// 01: continued
       rethrow;
   }
 }