Reorganize the dart2js transformer tests.

sdk/lib/_internal/pub/test/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart

Index: sdk/lib/_internal/pub/test/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/ignores_entrypoints_in_asset_test.dart b/sdk/lib/_internal/pub/test/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
similarity index 52%
rename from sdk/lib/_internal/pub/test/build/ignores_entrypoints_in_asset_test.dart
rename to sdk/lib/_internal/pub/test/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
index 0f41ae1f6e7c338d4d9cd5441362ced878456987..e09dd7f01ac1a53643567118073e8aa292e03ff1 100644
--- a/sdk/lib/_internal/pub/test/build/ignores_entrypoints_in_asset_test.dart
+++ b/sdk/lib/_internal/pub/test/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
@@ -1,34 +1,47 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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 'package:scheduled_test/scheduled_test.dart';
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
+import '../serve/utils.dart';
 
 main() {
   initConfig();
-
-  integration("ignores entrypoint Dart files in asset/", () {
+  setUp(() {
     d.dir(appPath, [
       d.appPubspec(),
       d.dir('asset', [
         d.file('file.dart', 'void main() => print("hello");'),
       ]),
+      d.dir('lib', [
+        d.file('file.dart', 'void main() => print("hello");'),
+      ]),
       d.dir('web', [
         d.file('index.html', 'html'),
       ])
     ]).create();
+  });
 
+  integration("build ignores Dart entrypoints in lib and asset", () {
     schedulePub(args: ["build", "--all"],
         output: new RegExp(r'Built 1 file to "build".'));
 
     d.dir(appPath, [
       d.dir('build', [
         d.nothing('asset'),
-        d.dir('web', [
-          d.file('index.html', 'html')
-        ])
+        d.nothing('lib')
       ])
     ]).validate();
   });
+
+  integration("serve ignores Dart entrypoints in lib and asset", () {
+    pubServe();
+    requestShould404("assets/myapp/main.dart.js");
+    requestShould404("packages/myapp/main.dart.js");
+    endPubServe();
+  });
+
 }