Fix syntax error which was accepted by the VM.

test/stream_queue_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE filevents.
 
 import "dart:async";
 
 import "package:async/async.dart" show StreamQueue;
 import "package:test/test.dart";
 
 import "utils.dart";
@@ skipping 124 matching lines @@
       expect(await events.next, 4);
       await events.cancel();
     });
 
     test("of events with error, and skip again after", () async {
       var events = new StreamQueue<int>(createErrorStream());
       expect(events.skip(4), throwsA("To err is divine!"));
       expect(events.skip(2), completion(1));
       await events.cancel();
     });
-
     test("multiple skips at same time complete in order.", () async {
       var events = new StreamQueue<int>(createStream());
       var skip1 = events.skip(1);
       var skip2 = events.skip(0);
       var skip3 = events.skip(4);
       var skip4 = events.skip(1);
       var index = 0;
       // Check that futures complete in order.
       sequence(expectedValue, sequenceIndex) => (value) {
         expect(value, expectedValue);
         expect(index, sequenceIndex);
         index++;
-      }
+      };
       await Future.wait([skip1.then(sequence(0, 0)),
                          skip2.then(sequence(0, 1)),
                          skip3.then(sequence(1, 2)),
                          skip4.then(sequence(1, 3))]);
       await events.cancel();
     });
   });
 
   group("take operation", () {
     test("as simple take of events", () async {
@@ skipping 454 matching lines @@
     controller.add(4);
     await flushMicrotasks();
     controller.close();
   }();
   return controller.stream;
 }
 
 Stream<int> createLongStream(int eventCount) async* {
   for (int i = 0; i < eventCount; i++) yield i;
 }