Update test expectations.

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
@@ skipping 59 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 ]
 # Bug in Spidermonkey's Uint8ClampedArray.
 # 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
+collection_helpers/test/typed_buffers_test: RuntimeError, Pass
 
 [ $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.
-pkg/collection_helpers/test/typed_buffers_test: Fail, Crash # No typed_data on IE9.
+collection_helpers/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.
 crypto/test/hmac_sha1_test: Pass, Fail # Issue 11407.
 crypto/test/sha1_test: Fail # Issue 11407.
 stack_trace/test/trace_test: Fail # http://dartbug.com/12380
 crypto/test/sha256_test: Pass, Fail # Issue 12502
 crypto/test/hmac_sha256_test: Pass, Fail # Issue 12502
 
@@ skipping 244 matching lines @@
 
 [ $runtime == vm && ($system == windows || $system == linux) ]
 watcher/test/*/mac_os_test: Skip
 
 [ $runtime == vm && $system == linux ]
 watcher/test/*/linux_test: Pass, Slow # Issue 14606
 
 [ $runtime == vm && $system == macos ]
 watcher/test/directory_watcher/mac_os_test: Pass, Fail  # Issue 15024
 watcher/test/no_subscribers/mac_os_test: Fail # Issue 14793 (see test file for details)