Unbreak build.

tests/isolate/multiple_timer_test.dart

Index: tests/isolate/multiple_timer_test.dart
diff --git a/tests/isolate/multiple_timer_test.dart b/tests/isolate/multiple_timer_test.dart
index 7315e4e550051e9ec46052abf0eebd07d90fc88e..db2248a0b0ca31bac958b2f1782fbfce2898959a 100644
--- a/tests/isolate/multiple_timer_test.dart
+++ b/tests/isolate/multiple_timer_test.dart
@@ -22,28 +22,36 @@ main() {
     int _message;
 
     void timeoutHandler1() {
-      expect(_stopwatch1.elapsedMilliseconds,
+      // The stopwatch is more precise than the Timer. It can happen that
+      // the TIMEOUT triggers *slightly* too early.
+      expect(_stopwatch1.elapsedMilliseconds + 1,
              greaterThanOrEqualTo(TIMEOUT1.inMilliseconds));
       expect(_order[_message], 0);
       _message++;
     }
 
     void timeoutHandler2() {
-      expect(_stopwatch2.elapsedMilliseconds,
+      // The stopwatch is more precise than the Timer. It can happen that
+      // the TIMEOUT triggers *slightly* too early.
+      expect(_stopwatch2.elapsedMilliseconds + 1,
              greaterThanOrEqualTo(TIMEOUT2.inMilliseconds));
       expect(_order[_message], 1);
       _message++;
     }
 
     void timeoutHandler3() {
-      expect(_stopwatch3.elapsedMilliseconds,
+      // The stopwatch is more precise than the Timer. It can happen that
+      // the TIMEOUT triggers *slightly* too early.
+      expect(_stopwatch3.elapsedMilliseconds + 1,
              greaterThanOrEqualTo(TIMEOUT3.inMilliseconds));
       expect(_order[_message], 2);
       _message++;
     }
 
     void timeoutHandler4() {
-      expect(_stopwatch4.elapsedMilliseconds,
+      // The stopwatch is more precise than the Timer. It can happen that
+      // the TIMEOUT triggers *slightly* too early.
+      expect(_stopwatch4.elapsedMilliseconds + 1,
              greaterThanOrEqualTo(TIMEOUT4.inMilliseconds));
       expect(_order[_message], 3);
       _message++;