pkg/isolate: library renaming, removed unused method, fix creation of TimeoutException

test/ports_test.dart

Index: test/ports_test.dart
diff --git a/test/ports_test.dart b/test/ports_test.dart
index 795cdb97d4b08ebd67b0d844096edb6b3aada22e..8471c6701b7a82a17aa7c64f919e79c1743e25d9 100644
--- a/test/ports_test.dart
+++ b/test/ports_test.dart
@@ -4,10 +4,11 @@
 
 library dart.pkg.isolate.isolaterunner_test;
 
-import "package:isolate/ports.dart";
-import "package:unittest/unittest.dart";
-import "dart:async";
-import "dart:isolate";
+import 'dart:async';
+import 'dart:isolate';
+
+import 'package:isolate/ports.dart';
+import 'package:unittest/unittest.dart';
 
 const Duration MS = const Duration(milliseconds: 1);