Remove skipped feature test (#4773)

diff --git a/test/global/activate/feature_test.dart b/test/global/activate/feature_test.dart
deleted file mode 100644
index 3d7704c..0000000
--- a/test/global/activate/feature_test.dart
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright (c) 2017, 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.
-
-@Skip()
-library;
-
-import 'package:test/test.dart';
-
-import '../../test_pub.dart';
-
-void main() {
-  test('enables default-on features by default', () async {
-    await servePackages()
-      ..serve(
-        'foo',
-        '1.0.0',
-        pubspec: {
-          'features': {
-            'stuff': {
-              'dependencies': {'bar': '1.0.0'},
-            },
-            'things': {
-              'default': false,
-              'dependencies': {'baz': '1.0.0'},
-            },
-          },
-        },
-      )
-      ..serve('bar', '1.0.0')
-      ..serve('baz', '1.0.0');
-
-    await runPub(
-      args: ['global', 'activate', 'foo'],
-      output: contains('''
-Resolving dependencies...
-Downloading packages...
-+ bar 1.0.0
-+ foo 1.0.0
-Downloading'''),
-    );
-  });
-
-  test('can enable default-off features', () async {
-    await servePackages()
-      ..serve(
-        'foo',
-        '1.0.0',
-        pubspec: {
-          'features': {
-            'stuff': {
-              'dependencies': {'bar': '1.0.0'},
-            },
-            'things': {
-              'default': false,
-              'dependencies': {'baz': '1.0.0'},
-            },
-          },
-        },
-      )
-      ..serve('bar', '1.0.0')
-      ..serve('baz', '1.0.0');
-
-    await runPub(
-      args: ['global', 'activate', 'foo', '--features', 'things'],
-      output: contains('''
-Resolving dependencies...
-Downloading packages...
-+ bar 1.0.0
-+ baz 1.0.0
-+ foo 1.0.0
-Downloading'''),
-    );
-  });
-
-  test('can disable default-on features', () async {
-    await servePackages()
-      ..serve(
-        'foo',
-        '1.0.0',
-        pubspec: {
-          'features': {
-            'stuff': {
-              'dependencies': {'bar': '1.0.0'},
-            },
-            'things': {
-              'default': false,
-              'dependencies': {'baz': '1.0.0'},
-            },
-          },
-        },
-      )
-      ..serve('bar', '1.0.0')
-      ..serve('baz', '1.0.0');
-
-    await runPub(
-      args: ['global', 'activate', 'foo', '--omit-features', 'stuff'],
-      output: contains('''
-Resolving dependencies...
-Downloading packages...
-+ foo 1.0.0
-Downloading'''),
-    );
-  });
-
-  test('supports multiple arguments', () async {
-    await servePackages()
-      ..serve(
-        'foo',
-        '1.0.0',
-        pubspec: {
-          'features': {
-            'stuff': {
-              'default': false,
-              'dependencies': {'bar': '1.0.0'},
-            },
-            'things': {
-              'default': false,
-              'dependencies': {'baz': '1.0.0'},
-            },
-          },
-        },
-      )
-      ..serve('bar', '1.0.0')
-      ..serve('baz', '1.0.0');
-
-    await runPub(
-      args: ['global', 'activate', 'foo', '--features', 'things,stuff'],
-      output: contains('''
-Resolving dependencies...
-Downloading packages...
-+ bar 1.0.0
-+ baz 1.0.0
-+ foo 1.0.0
-Downloading'''),
-    );
-  });
-
-  test('can both enable and disable', () async {
-    await servePackages()
-      ..serve(
-        'foo',
-        '1.0.0',
-        pubspec: {
-          'features': {
-            'stuff': {
-              'dependencies': {'bar': '1.0.0'},
-            },
-            'things': {
-              'default': false,
-              'dependencies': {'baz': '1.0.0'},
-            },
-          },
-        },
-      )
-      ..serve('bar', '1.0.0')
-      ..serve('baz', '1.0.0');
-
-    await runPub(
-      args: [
-        'global',
-        'activate',
-        'foo',
-        '--features',
-        'things',
-        '--omit-features',
-        'stuff',
-      ],
-      output: contains('''
-Resolving dependencies...
-Downloading packages...
-+ baz 1.0.0
-+ foo 1.0.0
-Downloading'''),
-    );
-  });
-}