Add "created-watcher" to the web_components package. This was adapted from

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 119 matching lines @@
 polymer/test/prop_attr_reflection_test: Skip #uses dart:html
 polymer/test/property_change_test: Skip # uses dart:html
 polymer/test/property_observe_test: Skip #uses dart:html
 polymer/test/publish_attributes_test: Skip #uses dart:html
 polymer/test/publish_inherited_properties_test: Skip #uses dart:html
 polymer/test/register_test: Skip #uses dart:html
 polymer/test/take_attributes_test: Skip #uses dart:html
 polymer/test/template_distribute_dynamic_test: Skip #uses dart:html
 polymer/test/unbind_test: Skip # uses dart:html
 third_party/angular_tests/browser_test: Skip # uses dart:html
-web_components/test/location_wrapper_test: Skip # uses dart:html
+web_components/test/*: Skip # uses dart:html
 
 [$compiler == dart2dart]
 *: 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 == opera && $compiler == dart2js ]
@@ skipping 101 matching lines @@
 polymer/example/component: Fail # Issue 13198
 polymer/e2e_test/canonicalization/test/dev1_test: Fail, OK # tests development only behavior
 polymer/e2e_test/canonicalization/test/dev2_test: Fail, OK # tests development only behavior
 polymer/e2e_test/canonicalization/test/dev3_test: Fail, OK # tests development only behavior
 polymer/e2e_test/canonicalization/test/dir/dev1_test: Fail, OK # tests development only behavior
 polymer/e2e_test/canonicalization/test/dir/dev2_test: Fail, OK # tests development only behavior
 polymer/e2e_test/bad_import1: RuntimeError # Issue 17596
 polymer/e2e_test/bad_import2: RuntimeError # Issue 17596
 polymer/e2e_test/bad_import3: Fail, OK # tests broken import
 polymer/test/mirror_loader_test: Skip # tests development only behavior
+web_components/test/interop_test: Fail # Issue 19322 (note: delete interop2_test when fixing this test)
 
 [ $compiler == dart2js && $runtime == chromeOnAndroid ]
 intl/test/date_time_format_http_request_test: Fail # TODO(kasperl): Please triage.
 
 [ $browser ]
 analysis_server/test/*: Skip # Uses dart:io.
 analyzer/test/error_test: Fail, OK # Uses dart:io.
 analyzer/test/generated/ast_test: Fail, OK # Uses dart:io.
 analyzer/test/generated/element_test: Fail, OK # Uses dart:io.
 analyzer/test/generated/element_test: Fail, OK # Uses dart:io.
@@ skipping 158 matching lines @@
 http/test/multipart_test: Fail
 http/test/request_test: Fail
 http/test/response_test: Fail
 oauth2/test/authorization_code_grant_test: Fail
 oauth2/test/client_test: Fail
 oauth2/test/credentials_test: Fail
 oauth2/test/handle_access_token_response_test: Fail
 
 [ $runtime == drt ]
 http/test/html/client_test: Skip # Issue 18566