Don't run stack_trace tests on Dartium.

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.
 
 # Run this test manually to verify that the fixnum library produces
 # the same results as native ints on a set of directed and random inputs.
 # Skip it when running automated tests because it times out.  This
 # test only makes sense on runtimes that support 64-bit integer
 # arithmetic natively, i.e., the VM.
 fixnum/test/int_64_vm_test: Skip
@@ skipping 48 matching lines @@
 analyzer_experimental/test/generated/ast_test: Skip # Imports dart:io.
 analyzer_experimental/test/generated/element_test: Skip # Imports dart:io.
 analyzer_experimental/test/generated/parser_test: Skip # Imports dart:io.
 analyzer_experimental/test/generated/resolver_test: Skip # Imports dart:io.
 analyzer_experimental/test/generated/scanner_test: Skip # Imports dart:io.
 
 # Issue 8440 forces us to use pathos in the scheduled_test tests, which would
 # otherwise be dart2js-compatible.
 scheduled_test/test/*: Skip
 
+# We use pathos in the stack_trace tests. We can run them on dart2js when issue
+# 6943 is fixed.
+stack_trace/test/*: Skip
+
 [ $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
 
 [ $runtime == safari ]
 fixnum/test/int_64_test: Pass, Fail # Bug in JSC.
 
@@ skipping 51 matching lines @@
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip
 
 # Skip serialization test that explicitly has no library declaration in the
 # test on Dartium, which requires all tests to have a library.
 [ $runtime == dartium || $runtime == drt ]
 serialization/test/no_library_test: Skip # Expected Failure