Test fails only in checked mode on vm

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 architectures other than the one you are working on.
@@ skipping 47 matching lines @@
 # DartC or Frog specific tests that should not be run by the VM
 *DartcTest: Skip
 *DartcNegativeTest: Skip
 *FrogTest: Skip
 *FrogNegativeTest: Skip
 
 # Issue 1034
 ConstructorDuplicateInitializersTest/01: Fail
 ConstructorDuplicateInitializersTest/02: Fail
 
+[ $component == vm || $component == dartium  && $checked ]
+
+DefaultFactory2Test/01: Fail # Issue 943
+
 [ $component == vm && $mode == debug ]
 
 [ $component == vm && $mode == release ]
 
 # Problems specific to dartc optimized mode
 [ ($component == dartc || $component == chromium) && $mode == release ]
 BadNamedParametersTest: Fail             # Bug 4202974 - release mode is not throwing NSME
 CTConst2Test: Fail                       # Codesite issue 124
 CallThroughNullGetterTest: Fail          # Bug 5391976
 Label2NegativeTest: Crash                # Bug 5318228
@@ skipping 28 matching lines @@
 CallThroughNullGetterTest: Fail # Throw ObjectNotClosure instead of NullPointerException.
 CharEscapeTest: Fail
 ConstInit6NegativeTest: Fail       # Issue 811
 ConstObjectsAreImmutableTest: Fail  # Bug 5202940
 Constructor2Test: Fail       # Issue 255
 Constructor3Test: Fail       # Issue 257
 Constructor4Test: Fail       # Issue 286
 Constructor5Test: Fail       # Issue 8440015 + 'super' initializer does not parse
 Constructor6Test: Fail       # Issue 8440015 + 'super' initializer does not parse
 DefaultFactoryLibraryTest: Fail          # Issue 514
-DefaultFactory2Test: Fail # Issue 943
 DivByZeroTest: Fail          # Bug 5184183
 DynamicTest: Fail            # Bug 5527899.
 ExampleConstructorTest: Fail # Bug 4205742.
 ExpectTest: Fail             # Missing extensions to class Expect.
 For2Test: Fail               # Bug 4995208.
 FunctionTypeAliasNegativeTest: Fail  # Bug 5231617.
 GenericParameterizedExtendsTest: Skip  # Bug 5392297
 GenericTest: Fail            # Bug 5393302 (missing call to super constructor)
 GetterClosureExecutionOrderTest: Fail # Bug 5481595
 IsObjectTest: Skip # Hasn't be tested on DartC yet
@@ skipping 216 matching lines @@
 StaticField2RunNegativeTest: Pass # but error is not correct
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip