Add a new variable environment for testing, to replace the misusage of 'arch'.

dart/tests/co19/co19-compiler.status

 # Copyright (c) 2011, 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.
 
 prefix co19
 
 #
 # Problems specific to compiler in release build (--optimize)
 #
-[ $arch == dartc && $mode == release ]
+[ $component == dartc && $mode == release ]
 
 # OK to fail - the optimized code doesn't execute correctly after type errors
 LibTest/core/List/List/List/A01/t04: Fail
 
 # Faiures we should fix
 LibTest/core/Queue/Queue.from/Queue/Queue.from/A01/t01: Fail      # Issue 218
 LibTest/core/Queue/Queue.from/Queue/Queue.from/A01/t02: Fail      # Issue 218
 LibTest/core/Date/Date.withTimeZone/Date/Date.withTimeZone/A01/t09: Fail # Issue 202
 LibTest/core/Set/add/Set/add/A01/t05: Fail                        # Bug 5392511
 LibTest/core/Set/addAll/Set/addAll/A01/t05: Fail                  # Bug 5392511
 LibTest/core/Set/contains/Set/contains/A01/t04: Fail              # Bug 5392511
 LibTest/core/Set/containsAll/Set/containsAll/A01/t04: Fail        # Bug 5392511
 LangGuideTest/02_Language_Constructs/02_11_Exceptions/A09/t04: Fail # Issue 219
 LangGuideTest/02_Language_Constructs/02_11_Exceptions/A09/t02: Fail # Issue 219
 
 #
 # Tests that pass in release mode but fail in debug mode
 #
-[  $arch == dartc && $mode == debug ]
+[ $component == dartc && $mode == debug ]
 
 #
 # Problems in both debug and release builds
 #
-[ $arch == dartc ]
+[ $component == dartc ]
 
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Const_Expressions/A04/t01: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Const_Expressions/A02/t01: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A02/t01: Skip # Issue 244
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A02/t02: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A02/t03: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A02/t04: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A03/t01: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A06/t04: Fail # Bug 5371670.
 LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_Construction/A10/t01: Fail # Bug 5371670.
@@ skipping 137 matching lines @@
 LibTest/core/Queue/some/Queue/some/A01/t03: Fail
 LibTest/core/Queue/some/Queue/some/A01/t06: Fail
 LibTest/core/RegExp/firstMatch/Pattern_semantics/15.10.2.10_CharacterEscape/RegExp/firstMatch/CharacterEscape/A06/t02: Fail
 LibTest/core/String/String.fromCharCodes/String/String.fromCharCodes/A02/t01: Fail
 LibTest/core/StringBuffer/addAll/StringBuffer/addAll/A01/t02: Fail
 LibTest/core/Queue/iterator_hasNext/Queue/iterator/hasNext/A01/t01: Skip # Timeout
 
 # List.fromList has been removed.
 LibTest/core/List/List.fromList/*: Fail
 
-[ $arch == dartium ]
+[ $component == dartium ]
 *: Skip
 
 
-[ $arch == chromium ]
+[ $component == chromium ]
 *: Skip