Update status for flaky Windows tests

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 67 matching lines @@
 async/test/stream_zip_test: RuntimeError, Pass # Issue 18548
 
 [ $compiler == dart2js && ($runtime == chrome || $runtime == ff) ]
 collection/test/unmodifiable_collection_test: SkipSlow # Times out. Issue 22050
 async/test/stream_zip_test: SkipSlow # Times out. Issue 22050
 
 [ $runtime == ie10 ]
 analyzer/test/generated/java_core_test: Pass, Timeout # Issue 19747
 typed_data/test/typed_buffers_test/none: Fail # Issue 17607 (I put this here explicitly, since this is not the same as on ie9)
 
+[ $runtime == ie11 ]
+kernel/test/verify_test: Skip # Times out. Issue 27935
+
 [ $runtime == safarimobilesim ]
 # Unexplained errors only occuring on Safari 6.1 and earlier.
 typed_data/test/typed_buffers_test: RuntimeError
 
 [ $compiler == dart2js && $csp ]
 # This test cannot run under CSP because it is injecting a JavaScript polyfill
 mutation_observer: Skip
 
 [ $compiler == dart2js && $browser ]
 crypto/test/sha256_test: Slow, Pass
@@ skipping 87 matching lines @@
 analyzer/test/src/task/strong/checker_test: Crash # Issue 24485
 analyzer/test/src/task/strong/inferred_type_test: Crash # Issue 24485
 analyzer/test/src/task/strong_mode_test: Crash # Issue 24485
 analyzer/test/src/task/yaml_test: Crash # Issue 24485
 
 [ $noopt || $runtime == dart_precompiled || $runtime == dart_app ]
 *: SkipByDesign # The pkg test framework imports dart:mirrors.
 
 [ $compiler == dart2js && $cps_ir && $checked ]
 *: Skip # `assert` not implemented, about 75% tests crash