Prepare inference test for kernel based inference

tests/compiler/dart2js/inference/send_test.dart

-// Copyright (c) 2017, 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.
-
-import 'dart:io';
-import 'package:async_helper/async_helper.dart';
-import '../equivalence/id_equivalence_helper.dart';
-import 'inference_test_helper.dart';
-
-main() {
-  asyncTest(() async {
-    Directory dataDir = new Directory.fromUri(Platform.script.resolve('data'));
-    await for (FileSystemEntity entity in dataDir.list()) {
-      print('Checking ${entity.uri}');
-      String annotatedCode = await new File.fromUri(entity.uri).readAsString();
-      await checkCode(
-          annotatedCode, computeMemberAstTypeMasks, compileFromSource);
-    }
-  });
-}