Rename runAsync to scheduleMicrotask.

tests/lib/async/schedule_microtask3_test.dart

Index: tests/lib/async/schedule_microtask3_test.dart
diff --git a/tests/lib/async/run_async3_test.dart b/tests/lib/async/schedule_microtask3_test.dart
similarity index 85%
rename from tests/lib/async/run_async3_test.dart
rename to tests/lib/async/schedule_microtask3_test.dart
index 00eaf9b1c6688790a8eb0682119ff1e5d07916d8..950d8e0c95568c5f8e95a571d6e309ece176512d 100644
--- a/tests/lib/async/run_async3_test.dart
+++ b/tests/lib/async/schedule_microtask3_test.dart
@@ -14,11 +14,11 @@ main() {
 
     Timer.run(expectAsync0(() { timerCallbackExecuted = true; }));
 
-    runAsync(expectAsync0(() {
+    scheduleMicrotask(expectAsync0(() {
       Expect.isFalse(timerCallbackExecuted);
     }));
 
-    runAsync(expectAsync0(() {
+    scheduleMicrotask(expectAsync0(() {
       // Busy loop.
       var sum = 1;
       var sw = new Stopwatch()..start();
@@ -26,12 +26,12 @@ main() {
         sum++;
       }
       if (sum == 0) throw "bad";  // Just to use the result.
-      runAsync(expectAsync0(() {
+      scheduleMicrotask(expectAsync0(() {
         Expect.isFalse(timerCallbackExecuted);
       }));
     }));
 
-    runAsync(expectAsync0(() {
+    scheduleMicrotask(expectAsync0(() {
       Expect.isFalse(timerCallbackExecuted);
     }));
   });