Delete a bunch of packages that are now on GitHub.

pkg/scheduled_test/test/scheduled_test/task_return_value_test.dart

Index: pkg/scheduled_test/test/scheduled_test/task_return_value_test.dart
diff --git a/pkg/scheduled_test/test/scheduled_test/task_return_value_test.dart b/pkg/scheduled_test/test/scheduled_test/task_return_value_test.dart
deleted file mode 100644
index 4fcc24a176434c32289f8808657159b35dfef917..0000000000000000000000000000000000000000
--- a/pkg/scheduled_test/test/scheduled_test/task_return_value_test.dart
+++ /dev/null
@@ -1,83 +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 'package:scheduled_test/src/mock_clock.dart' as mock_clock;
-
-import 'package:metatest/metatest.dart';
-import '../utils.dart';
-
-void main() => initTests(_test);
-
-void _test(message) {
-  initMetatest(message);
-
-  setUpTimeout();
-
-  expectTestsPass("an error thrown in a scheduled task should be piped to that "
-      "task's return value", () {
-    var error;
-    test('test 1', () {
-      schedule(() {
-        throw 'error';
-      }).catchError((e) {
-        error = e;
-      });
-    });
-
-    test('test 2', () {
-      expect(error, new isInstanceOf<ScheduleError>());
-      expect(error.error, equals('error'));
-    });
-  }, passing: ['test 2']);
-
-  expectTestsPass("an error thrown in a scheduled task should be piped to "
-      "future tasks' return values", () {
-    var error;
-    test('test 1', () {
-      schedule(() {
-        throw 'error';
-      });
-
-      schedule(() => null).catchError((e) {
-        error = e;
-      });
-    });
-
-    test('test 2', () {
-      expect(error, new isInstanceOf<ScheduleError>());
-      expect(error.error, equals('error'));
-    });
-  }, passing: ['test 2']);
-
-  expectTestsPass("an out-of-band error should be piped to future tasks' "
-      "return values, but not the current task's", () {
-    mock_clock.mock().run();
-    var error;
-    var firstTaskError = false;
-    var secondTaskRun = false;
-    test('test 1', () {
-      schedule(() => sleep(2)).catchError((_) {
-        firstTaskError = true;
-      });
-
-      sleep(1).then(wrapAsync((_) {
-        throw 'error';
-      }));
-
-      schedule(() {
-        secondTaskRun = true;
-      }).catchError((e) {
-        error = e;
-      });
-    });
-
-    test('test 2', () {
-      expect(firstTaskError, isFalse);
-      expect(secondTaskRun, isFalse);
-      expect(error, new isInstanceOf<ScheduleError>());
-      expect(error.error, equals('error'));
-    });
-  }, passing: ['test 2']);
-}