Move package:testing to SDK.

pkg/testing/lib/dart_vm_suite.dart

Index: pkg/testing/lib/dart_vm_suite.dart
diff --git a/pkg/testing/lib/dart_vm_suite.dart b/pkg/testing/lib/dart_vm_suite.dart
new file mode 100644
index 0000000000000000000000000000000000000000..0edfdbcc14ed9466c8e247cee313201eb076cb15
--- /dev/null
+++ b/pkg/testing/lib/dart_vm_suite.dart
@@ -0,0 +1,29 @@
+// Copyright (c) 2016, 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.md file.
+
+library testing.dart_vm_suite;
+
+import 'testing.dart';
+
+Future<ChainContext> createContext(
+    Chain suite, Map<String, String> enviroment) async {
+  return new VmContext();
+}
+
+class VmContext extends ChainContext {
+  final List<Step> steps = const <Step>[const DartVmStep()];
+}
+
+class DartVmStep extends Step<TestDescription, int, VmContext> {
+  const DartVmStep();
+
+  String get name => "Dart VM";
+
+  Future<Result<int>> run(TestDescription input, VmContext context) async {
+    StdioProcess process = await StdioProcess.run("dart", [input.file.path]);
+    return process.toResult();
+  }
+}
+
+main(List<String> arguments) => runMe(arguments, createContext);