Remove (invalid) suppression of interop_test.

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 70 matching lines @@
 collection/test/equality_test/05: Fail # Issue 1533
 collection/test/equality_test/none: Pass, Fail # Issue 14348
 docgen/test/*: Skip # Far too slow
 third_party/angular_tests/browser_test: Pass, Slow # Large dart2js compile time
 typed_data/test/typed_buffers_test/01: Fail # Not supporting Int64List, Uint64List.
 
 [ $compiler == dart2js && $runtime == drt ]
 third_party/angular_tests/browser_test/core_dom/compiler: Fail # Issue 19329
 third_party/angular_tests/browser_test/core_dom/shadow_root_options: Fail # Issue 19329
 third_party/angular_tests/browser_test/core/templateurl: Fail # Issue 19329
-pkg/web_components/test/interop_test: Fail # Issue 19329
 web_components/test/interop2_test: Fail # Issue 19329
 
 [ $compiler == dart2js && $checked ]
 crypto/test/base64_test: Slow, Pass
 
 [ $checked && $runtime == drt ]
 polymer/test/event_handlers_test: Pass, RuntimeError # Issue 19190
 
 [ $compiler == dart2js && $checked && $runtime == ie9 ]
 crypto/test/base64_test: Timeout # Issue 12486
@@ skipping 317 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