Avoid timeouts in dart2js/release/checked.

tests/co19/co19-dart2js.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.
 
 [ $compiler == dart2js ]
 Language/11_Statements/05_For_A01_t13: Crash # http://dartbug.com/5015
 Language/07_Classes/6_Constructors/2_Factories_A01_t01: Crash # http://dartbug.com/5017
 
 Language/07_Classes/07_Classes_A03_t01: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/4_Abstract_Instance_Members_A07_t01: Fail # TODO(ahe): Please triage this failure.
@@ skipping 201 matching lines @@
 
 LibTest/core/InternalError/InternalError_A01_t01: Fail, OK # co19 issue 201
 LibTest/core/InternalError/toString_A01_t01: Fail, OK # co19 issue 201
 
 Language/06_Functions/2_Formal_Parameters_A02_t02: Fail, OK # co19 issue 207
 LibTest/core/double/operator_remainder_A01_t03: Fail, OK # co19 issue 207
 LibTest/core/double/remainder_A01_t03: Fail, OK # co19 issue 207
 
 # Slow tests that needs extra time to finish.
 LibTest/core/List/sort_A01_t06: Slow, Pass
-LibTest/core/Queue/addLast_A01_t01: Slow, Pass
-LibTest/core/Queue/add_A01_t01: Slow, Pass
 
 # These test the Clock class which has been removed.
 # issue co19 - 173
 LibTest/core/Clock/frequency_A01_t01: Fail, OK
 LibTest/core/Clock/now_A01_t01: Fail, OK
 
 # Tests that fail because they use the legacy try-catch syntax.
 # See co19 issue 184.
 Language/03_Overview/1_Scoping_A02_t30: Fail, OK
 Language/03_Overview/2_Privacy_A01_t08: Fail, OK
@@ skipping 420 matching lines @@
 LibTest/core/String/contains_A01_t01: Crash # co19 issue 212
 LibTest/core/String/replaceAll_A01_t01: Fail, OK # co19 issue 212
 LibTest/core/String/replaceFirst_A01_t01: Fail, OK # co19 issue 212
 LibTest/core/String/split_A01_t01: Fail, OK # co19 issue 212
 LibTest/core/String/split_A01_t02: Fail, OK # co19 issue 212
 
 [ $compiler == dart2js && $unchecked ]
 LibTest/core/Date/Date.fromMillisecondsSinceEpoch_A03_t01: Fail
 
 [ $compiler == dart2js && $checked ]
+LibTest/core/Queue/addLast_A01_t01: Slow, Pass
+LibTest/core/Queue/add_A01_t01: Slow, Pass
 LibTest/core/Queue/iterator_hasNext_A01_t01: Slow, Pass
 
 #
 # Issues with co19 test suite.
 #
 # If you add anything here, either file a bug against the Dart
 # language specification, co19 test suite, or add a comment that ahe@
 # can understand so he can file a bug later.
 #
 [ $compiler == dart2js ]
@@ skipping 549 matching lines @@
 Language/14_Types/4_Interface_Types_A10_t01: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t02: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t03: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t04: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t07: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A11_t02: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t09: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t10: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t14: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t16 :Fail # http://dartbug.com/5020