Undo workaround for a bug with compile-type of the context value.

pkg/pkg.status

 # Copyright (c) 2012, 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.
 
 # Don't run any test-like files that show up in packages directories. It
 # shouldn't be necessary to run "pub install" in these packages, but if you do
 # it shouldn't break the tests.
 */packages/*/*: Skip
 */*/packages/*/*: Skip
 */*/*/packages/*/*: Skip
 */*/*/*/packages/*/*: Skip
 
 # Skip non-test files ending with "_test".
 scheduled_test/lib/*: Skip
 polymer/example/scoped_style/*: Skip
 
 scheduled_test/test/scheduled_server_test: Pass, Fail # 13524
 scheduled_test/test/scheduled_process_test: Pass, Slow # Issue 9231
 
 polymer/test/event_path_test: Pass, Fail # Issue 15766
 
 # Skip test not runnable via test.dart
 third_party/html5lib/test/dom_compat_test: Skip
 third_party/html5lib/test/browser/browser_test: Skip
 
-http/test/http_test: Pass, RuntimeError # Issue 15652
-
 third_party/angular_tests/*: Skip # Issue 15955
 
 [ $compiler == dart2js ]
 collection/test/equality_test/01: Fail # Issue 1533
 collection/test/equality_test/02: Fail # Issue 1533
 collection/test/equality_test/03: Fail # Issue 1533
 collection/test/equality_test/04: Fail # Issue 1533
 collection/test/equality_test/05: Fail # Issue 1533
 collection/test/equality_test/none: Pass, Fail # Issue 14348
 third_party/angular_tests/core/parser/parser_test: Fail # Issue 15915
@@ skipping 281 matching lines @@
 watcher/test/directory_watcher/mac_os_test: Pass, Fail # Issue 15024
 
 [ $runtime == safari || $runtime == chrome || $runtime == ie9 || $runtime == ff || $runtime == ie10 ]
 # Various issues due to limited browser testing in Angular.
 third_party/angular_tests/*: Skip
 
 [ $unchecked ]
 third_party/angular_tests/core/scope_test: Skip # Requires checked mode.
 third_party/angular_tests/angular_test: Skip # Requires checked mode.
 third_party/angular_tests/core/zone_test: Skip # Requires checked mode.