Move the transformer tests.

sdk/lib/_internal/pub/test/serve/prints_a_transform_error_in_apply_test.dart

Index: sdk/lib/_internal/pub/test/serve/prints_a_transform_error_in_apply_test.dart
diff --git a/sdk/lib/_internal/pub/test/serve/prints_a_transform_error_in_apply_test.dart b/sdk/lib/_internal/pub/test/serve/prints_a_transform_error_in_apply_test.dart
deleted file mode 100644
index 2d90ee84f3e81cea28fadde6b270e840a5c35741..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/serve/prints_a_transform_error_in_apply_test.dart
+++ /dev/null
@@ -1,52 +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 'package:scheduled_test/scheduled_test.dart';
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-
-final transformer = """
-import 'dart:async';
-
-import 'package:barback/barback.dart';
-
-class RewriteTransformer extends Transformer {
-  RewriteTransformer.asPlugin();
-
-  String get allowedExtensions => '.txt';
-
-  Future apply(Transform transform) => throw new Exception('oh no!');
-}
-""";
-
-main() {
-  initConfig();
-  integration("prints a transform error in apply", () {
-    d.dir(appPath, [
-      d.pubspec({
-        "name": "myapp",
-        "transformers": ["myapp/src/transformer"]
-      }),
-      d.dir("lib", [d.dir("src", [
-        d.file("transformer.dart", transformer)
-      ])]),
-      d.dir("web", [
-        d.file("foo.txt", "foo")
-      ])
-    ]).create();
-
-    createLockFile('myapp', pkg: ['barback']);
-
-    var server = startPubServe();
-    expect(server.nextErrLine(),
-        completion(equals('Build error:')));
-    expect(server.nextErrLine(), completion(equals('Transform Rewrite on '
-        'myapp|web/foo.txt threw error: oh no!')));
-    endPubServe();
-  });
-}