Create associated packages for the dart:collection and dart:async libs.

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
 
 
 # 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
 
 [ $compiler == dart2js ]
-collection_helpers/test/equality_test/01: Fail # Issue 1533
-collection_helpers/test/equality_test/02: Fail # Issue 1533
-collection_helpers/test/equality_test/03: Fail # Issue 1533
-collection_helpers/test/equality_test/04: Fail # Issue 1533
-collection_helpers/test/equality_test/05: Fail # Issue 1533
-collection_helpers/test/equality_test/none: Pass, Fail # Issue 14348
-collection_helpers/test/typed_buffers_test/01: Fail # Not supporting Int64List, Uint64List.
+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
+typed_data/test/typed_buffers_test/01: Fail # Not supporting Int64List, Uint64List.
 
 [ $compiler == dart2js && $checked ]
 crypto/test/base64_test: Slow, Pass
 
 [ $compiler == dart2js && $checked && $runtime == ie9 ]
 crypto/test/base64_test: Timeout # Issue 12486
 serialization/test/serialization_test: Skip
 
 [ $runtime == d8 || $runtime == jsshell ]
 unittest/test/unittest_nested_groups_setup_teardown_test: RuntimeError # http://dartbug.com/10109
 stack_trace/test/vm_test: RuntimeError, OK # VM-specific traces
 stack_trace/test/chain_test: Fail # Issues 15171 and 15105
-sequence_zip/test/stream_test: RuntimeError, OK # Timers are not supported.
+async/test/stream_zip_test: RuntimeError, OK # Timers are not supported.
 unittest/test/missing_tick_test: Fail # Timer interface not supported: dartbug.com/7728.
 
 [ $runtime == vm || $runtime == d8 || $runtime == jsshell ]
 polymer/example: Skip # Uses dart:html
 polymer/test/attr_deserialize_test: Skip # uses dart:html
 polymer/test/attr_mustache_test: Skip #uses dart:html
 polymer/test/bind_test: Skip # uses dart:html
 polymer/test/bind_mdv_test: Skip # uses dart:html
 polymer/test/custom_event_test: Skip # uses dart:html
 polymer/test/entered_view_test: Skip # uses dart:html
@@ skipping 18 matching lines @@
 *: Skip
 
 [ $compiler == dart2js || $compiler == dart2dart ]
 source_maps/test/vlq_test: RuntimeError # A VLQ test checks for large numbers that
                                 # overflow in JS (numbers slightly larger than
                                 # 32 bits where we do bitwise operations).
 [ $runtime == ff && $system != windows ]
 # Bug in Spidermonkey's Uint8ClampedArray on x64 (non-Win FF is x64, Win is x86)
 # See https://bugzilla.mozilla.org/show_bug.cgi?id=940972
 # Likely to get patched only on some versions of Firefox.
-collection_helpers/test/typed_buffers_test: RuntimeError
+typed_data/test/typed_buffers_test: RuntimeError
 
 [ $runtime == opera && $compiler == dart2js ]
 intl/test/find_default_locale_browser_test: Fail
 intl/test/date_time_format_http_request_test: Skip # Timeout.
 
 [ $runtime == ie9 ]
 intl/test/date_time_format_http_request_test: Fail # Issue 8983
 mime/test/mime_multipart_transformer_test: Skip # No typed_data on IE9.
-collection_helpers/test/typed_buffers_test: Fail, Crash # No typed_data on IE9.
+typed_data/test/typed_buffers_test: Fail, Crash # No typed_data on IE9.
 polymer/test/instance_attrs_test: Pass, Fail # Issue 14167
 
 [ $runtime == safari ]
 fixnum/test/int_64_test: Pass, Fail # Bug in JSC.
 
 # Unexplained errors only occuring on Safari.
-collection_helpers/test/typed_buffers_test: RuntimeError
+typed_data/test/typed_buffers_test: RuntimeError
 
 [ $runtime == ie9 || $runtime == ie10 ]
 polymer/test/bind_mdv_test: RuntimeError # Issue 14412, 13260
 polymer/test/noscript_test: RuntimeError # Issue 13260
 
 [ ($runtime == ie9 || $runtime == ie10) && $checked ]
 polymer/test/take_attributes_test: RuntimeError # Issue 13260
 
 # Skip browser-specific tests on VM
 [ $runtime == vm ]
@@ skipping 198 matching lines @@
 unittest/test/mock_test: StaticWarning, OK # testing unimplemented members
 
 [ $runtime == vm && ($system == windows || $system == macos) ]
 watcher/test/*/linux_test: Skip
 
 [ $runtime == vm && ($system == windows || $system == linux) ]
 watcher/test/*/mac_os_test: Skip
 
 [ $runtime == vm && $system == macos ]
 watcher/test/directory_watcher/mac_os_test: Pass, Fail # Issue 15024