Allow user to specify mode for pub build/serve.

sdk/lib/_internal/pub/test/build/compiles_dart_entrypoints_to_dart_and_js_test.dart

Index: sdk/lib/_internal/pub/test/build/compiles_dart_entrypoints_to_dart_and_js_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/compiles_dart_entrypoints_to_dart_and_js_test.dart b/sdk/lib/_internal/pub/test/build/compiles_dart_entrypoints_to_dart_and_js_test.dart
deleted file mode 100644
index f69676a5a26c4ce44d7d63ca76e66e8b50716229..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/build/compiles_dart_entrypoints_to_dart_and_js_test.dart
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright (c) 2013, 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 'package:scheduled_test/scheduled_test.dart';
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-main() {
-  initConfig();
-
-  // TODO(rnystrom): Should also add tests that other transformers work
-  // (#14556).
-
-  integration("compiles Dart entrypoints to Dart and JS", () {
-    // Dart2js can take a long time to compile dart code, so we increase the
-    // timeout to cope with that.
-    currentSchedule.timeout *= 3;
-
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir('web', [
-        d.file('file.dart', 'void main() => print("hello");'),
-        d.file('lib.dart', 'void foo() => print("hello");'),
-        d.dir('subdir', [
-          d.file('subfile.dart', 'void main() => print("ping");')
-        ])
-      ])
-    ]).create();
-
-    // TODO(rnystrom): If we flesh out the command-line output, validate that
-    // here.
-    schedulePub(args: ["build"],
-        output: new RegExp(r"Built 2 files!"),
-        exitCode: 0);
-
-    d.dir(appPath, [
-      d.dir('build', [
-        d.matcherFile('file.dart.js', isNot(isEmpty)),
-        d.nothing('file.dart'),
-        d.nothing('lib.dart'),
-        d.dir('subdir', [
-          d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-          d.nothing('subfile.dart')
-        ])
-      ])
-    ]).validate();
-  });
-}