Rationalize arg handling for pub build and serve.

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

Index: sdk/lib/_internal/pub/test/build/all_with_no_buildable_directories_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/all_with_no_buildable_directories_test.dart b/sdk/lib/_internal/pub/test/build/all_with_no_buildable_directories_test.dart
deleted file mode 100644
index 32ee191439ef0735ec5671c9f5cfca708a50e8f4..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/build/all_with_no_buildable_directories_test.dart
+++ /dev/null
@@ -1,33 +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 '../../lib/src/exit_codes.dart' as exit_codes;
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-main() {
-  initConfig();
-
-  integration("build --all with no buildable directories", () {
-    d.appDir().create();
-
-    schedulePub(args: ["build", "--all"],
-        error: 'There are no buildable directories.\n'
-               'The supported directories are "benchmark", "bin", "example", '
-               '"test" and "web".',
-        exitCode: exit_codes.DATA);
-  });
-
-  integration("build --all --format json with no buildable directories", () {
-    d.appDir().create();
-
-    schedulePub(args: ["build", "--all", "--format", "json"],
-        outputJson: {'error':
-          'There are no buildable directories.\n'
-          'The supported directories are "benchmark", "bin", "example", '
-          '"test" and "web".'
-        },
-        exitCode: exit_codes.DATA);
-  });
-}