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

dart/tests/language/language.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.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 # In order to maintain maximum test coverage for all builds,
 # please use the following procedure to mark a test
 # failed on an architecture other than the one you are working on.
 #
 # 1) Copy the old version of the test to
 #    tests/language/src/TestName[Dartc|VM]Test.dart.
 # 2) File a bug for the failure due to the language change.
 # 3) Update the language/src directory with the updated test.
 
 prefix language
 
 
-[ $arch == ia32 || $arch == dartium ]
+[ $FOOBAR == vm || $FOOBAR == dartium ]
 ClassTest: Fail             # Bug 4504458 (pseudo keyword)
 NamingTest: Fail            # Bug 4504458 (pseudo keyword)
 SuperTest: Fail             # Bug 4995181
 TypeVariableBoundsTest/none: Fail # Bug 5257789
 TypeVariableBoundsTest/02: Fail # Bug 5257789
 TypeVariableBoundsTest/03: Fail # Bug 5257789
 TypeVariableBoundsTest/04: Fail # Bug 5257789
 TypeVariableBoundsTest/07: Fail # Bug 5257789
 TypeVariableScopeTest/03: Fail # Bug 5349550, was 5316513
 TypeVariableScopeTest/04: Fail # Bug 5349550, was 5316513
@@ skipping 25 matching lines @@
 ConstructorReturnNegativeTest: Fail                   # Issue 224
 ConstructorReturnWithInitNegativeTest: Fail           # Issue 224
 ConstructorReturnWithArrowNegativeTest: Fail          # Issue 224
 ConstructorReturnWithInitAndArrowNegativeTest: Fail   # Issue 224
 
 NonParameterizedFactory2Test: Fail # Bug 5257789
 
 # DartC specific tests that should not be run by the VM.
 *DartcTest: Skip
 
-[ $arch == ia32 && $mode == debug ]
+[ $FOOBAR == vm && $mode == debug ]
 NonParameterizedFactoryTest: Crash  # Issue 226
 
 # Problems specific to dartc optimized mode
-[ ($arch == dartc || $arch == chromium) && $mode == release ]
+[ ($FOOBAR == dartc || $FOOBAR == chromium) && $mode == release ]
 MethodInvocationTest: Fail               # Bug  5392266
 Label2NegativeTest: Crash                # Bug 5318228
 NullPointerExceptionTest: Fail           # Bug 5391976
 CallThroughNullGetterTest: Fail          # Bug 5391976
 Private3Test: Fail                       # Bug 5391976
 Switch3NegativeTest: Crash               # Bug 5318228
 BadNamedParametersTest: Fail             # Bug 4202974 - release mode is not throwing NSME
 CTConst2Test: Fail                       # Codesite issue 124
 
 # Problems specific to dartc debug mode
-[ ($arch == dartc || $arch == chromium) && $mode == debug ]
+[ ($FOOBAR == dartc || $FOOBAR == chromium) && $mode == debug ]
 
 
-[ $arch == dartc || $arch == chromium ]
+[ $FOOBAR == dartc || $FOOBAR == chromium ]
 Library4NegativeTest: Fail               # Bug 5406175
 Prefix3NegativeTest: Fail                # Bug 5406175
 Prefix11NegativeTest: Fail               # Bug 5406175
 Prefix12NegativeTest: Fail               # Bug 5406175
 Prefix14Test: Fail                       # Bug 5406175
 Prefix15Test: Skip                       # Bug 5406175
 ConstConstructor1NegativeTest: FAIL      # Bug 5142545
 ConstConstructor2NegativeTest: FAIL      # Bug 5142545
 CTConst3Test: Fail                       # Codesite Issue 120
 
@@ skipping 77 matching lines @@
 
 ConstructorReturnNegativeTest: Fail                   # Issue 225
 ConstructorReturnWithInitNegativeTest: Fail           # Issue 225
 ConstructorReturnWithArrowNegativeTest: Fail          # Issue 225
 ConstructorReturnWithInitAndArrowNegativeTest: Fail   # Issue 225
 
 # VM specific tests that should not be run by DartC.
 *VMTest: Skip
 
 
-[ $arch == dartium ]
+[ $FOOBAR == dartium ]
 # TODO: These need to be retriaged.
 ExpectTest: Fail
 StackTraceTest: Fail
 RichardsTest: Fail
 UnboundGetterTest: Fail
 Private2Test: Fail
 Private3Test: Fail
 
 TypedMessageTest: Fail # Bug 5246195
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip