Reorganize the dart2js transformer tests.

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

Index: sdk/lib/_internal/pub/test/transformer/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
diff --git a/sdk/lib/_internal/pub/test/transformer/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart b/sdk/lib/_internal/pub/test/transformer/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
deleted file mode 100644
index 186e5995f5e568a58f216586c5f0ae9290212d07..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/transformer/dart2js/ignores_entrypoints_in_lib_and_asset_test.dart
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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.
-
-library pub_tests;
-
-import '../../descriptor.dart' as d;
-import '../../test_pub.dart';
-import '../../serve/utils.dart';
-
-main() {
-  initConfig();
-  integration("ignores Dart entrypoints in lib and asset", () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir("asset", [
-        d.file("main.dart", "void main() => print('hello');")
-      ]),
-      d.dir("lib", [
-        d.file("main.dart", "void main() => print('hello');")
-      ])
-    ]).create();
-
-    pubServe();
-    requestShould404("assets/myapp/main.dart.js");
-    requestShould404("packages/myapp/main.dart.js");
-    endPubServe();
-  });
-}