Fix timer tests: timer tests were not using expectAsync to wait for

tests/isolate/timer_repeat_test.dart

Index: tests/isolate/timer_repeat_test.dart
diff --git a/tests/isolate/timer_repeat_test.dart b/tests/isolate/timer_repeat_test.dart
index f65b1e18f9e723e3c32215c99abbe74011181fcb..96be94d0877f0129101269e48c7db72605f9a340 100644
--- a/tests/isolate/timer_repeat_test.dart
+++ b/tests/isolate/timer_repeat_test.dart
@@ -5,39 +5,31 @@
 #library('timer_repeat_test');
 
 #import("dart:isolate");
-
-class TimerRepeatTest {
-
-  static const int _TIMEOUT = 500;
-  static const int _ITERATIONS = 5;
-
-  static void testRepeatTimer() {
-
-    void timeoutHandler(Timer timer) {
-      int endTime = (new Date.now()).millisecondsSinceEpoch;
-      _iteration++;
-      if (_iteration < _ITERATIONS) {
-        _startTime = (new Date.now()).millisecondsSinceEpoch;
-      } else {
-        Expect.equals(_iteration, _ITERATIONS);
-        timer.cancel();
-      }
+#import('../../pkg/unittest/unittest.dart');
+
+  const int TIMEOUT = 500;
+  const int ITERATIONS = 5;
+
+  Timer timer;
+  int startTime;
+  int iteration;
+  
+  void timeoutHandler(Timer timer) {
+    int endTime = (new Date.now()).millisecondsSinceEpoch;
+    iteration++;
+    if (iteration < ITERATIONS) {
+      startTime = (new Date.now()).millisecondsSinceEpoch;
+    } else {
+      expect(iteration, ITERATIONS);
+      timer.cancel();
     }
-
-    _iteration = 0;
-    _startTime = (new Date.now()).millisecondsSinceEpoch;
-    timer = new Timer.repeating(_TIMEOUT, timeoutHandler);
   }
 
-  static void testMain() {
-    testRepeatTimer();
-  }
-
-  static Timer timer;
-  static int _startTime;
-  static int _iteration;
-}
-
 main() {
-  TimerRepeatTest.testMain();
+  test("timer_repeat", () {
+    iteration = 0;
+    startTime = new Date.now().millisecondsSinceEpoch;
+    timer = new Timer.repeating(TIMEOUT, 
+        expectAsync1(timeoutHandler, count: ITERATIONS));
+  });
 }