mark polymer csp tests as failing

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 105 matching lines @@
 stack_trace/test/trace_test: Pass, Timeout # Issue 11645
 
 [ $compiler == dartanalyzer || $compiler == dart2analyzer]
 # These tests are runtime negative but statically positive, so we skip
 # them in the analyzer.
 unittest/test/mock_regexp_negative_test: Skip
 unittest/test/mock_stepwise_negative_test: Skip
 
 [ $compiler == dart2js && $csp ]
 unittest/test/mirror_matchers_test: Skip # Issue 12151
+polymer/test: Fail # Issue 14300
 
 # This test cannot run under CSP because it is injecting a JavaScript polyfill
 mutation_observer: Skip
 
 [ $compiler == dart2js && $minified ]
 # The unminified unittest tests test that the real names of Dart types are
 # printed. Minified versions of these tests exist that test the behavior when
 # minified.
 unittest/test/*_unminified_test: Skip # DO NOT COPY THIS UNLESS YOU WORK ON DART2JS
 
@@ skipping 157 matching lines @@
 # pkg issue 13944; Missing inherited members: 'ListChangeRecord.addedCount' and 'ListChangeRecord.removedCount'
 custom_element/test/analyzer_test: fail
 mdv/test/analyzer_test: fail
 observe/test/observe_test: fail
 
 # pkg issue 13945; Missing inherited member 'Trace.frames'
 observe/test/observe_test: fail
 
 [ $compiler == none && ($runtime == dartium || $runtime == drt) ]
 polymer/test/prop_attr_reflection_test: Fail # Issue 14295