Modified unittest to use new argument syntax.

tests/isolate/multiple_timer_test.dart

 // Copyright (c) 2012, 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 file.
 
 #library('multiple_timer_test');
 
 #import("dart:isolate");
 #import('../../pkg/unittest/unittest.dart');
 
 const int TIMEOUT1 = 1000;
 const int TIMEOUT2 = 2000;
 const int TIMEOUT3 = 500;
 const int TIMEOUT4 = 1500;
 
 main() {
   test("multiple timer test", () {
     int _startTime1;
     int _startTime2;
     int _startTime3;
     int _startTime4;
     List<int> _order;
     int _message;
 
     void timeoutHandler1(Timer timer) {
       int endTime = (new Date.now()).millisecondsSinceEpoch;
-      expect((endTime - _startTime1) >= TIMEOUT1);
-      expect(_order[_message] == 0);
+      expect(endTime - _startTime1, greaterThanOrEqualTo(TIMEOUT1));
+      expect(_order[_message], 0);
       _message++;
     }
 
     void timeoutHandler2(Timer timer) {
       int endTime  = (new Date.now()).millisecondsSinceEpoch;
-      expect((endTime - _startTime2) >= TIMEOUT2);
-      expect(_order[_message] == 1);
+      expect(endTime - _startTime2, greaterThanOrEqualTo(TIMEOUT2));
+      expect(_order[_message], 1);
       _message++;
     }
 
     void timeoutHandler3(Timer timer) {
       int endTime = (new Date.now()).millisecondsSinceEpoch;
-      expect((endTime - _startTime3) >= TIMEOUT3);
-      expect(_order[_message] == 2);
+      expect(endTime - _startTime3, greaterThanOrEqualTo(TIMEOUT3));
+      expect(_order[_message], 2);
       _message++;
     }
 
     void timeoutHandler4(Timer timer) {
       int endTime  = (new Date.now()).millisecondsSinceEpoch;
-      expect((endTime - _startTime4) >= TIMEOUT4);
-      expect(_order[_message] == 3);
+      expect(endTime - _startTime4, greaterThanOrEqualTo(TIMEOUT4));
+      expect(_order[_message], 3);
       _message++;
     }
 
     _order = new List<int>(4);
     _order[0] = 2;
     _order[1] = 0;
     _order[2] = 3;
     _order[3] = 1;
     _message = 0;
 
     _startTime1 = (new Date.now()).millisecondsSinceEpoch;
     new Timer(TIMEOUT1, expectAsync1(timeoutHandler1));
     _startTime2 = (new Date.now()).millisecondsSinceEpoch;
     new Timer(TIMEOUT2, expectAsync1(timeoutHandler2));
     _startTime3 = (new Date.now()).millisecondsSinceEpoch;
     new Timer(TIMEOUT3, expectAsync1(timeoutHandler3));
     _startTime4 = (new Date.now()).millisecondsSinceEpoch;
     new Timer(TIMEOUT4, expectAsync1(timeoutHandler4));
   });
 }