Fix status file now that the test is fixed.

tests/language/language.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.
 
 # 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 317 matching lines @@
 
 [ $component == webdriver && $browser == safari && ($system == linux || $system == windows) ]
 *: Skip
 
 
 [ ($component == frogsh ||  $component == frog || $component == frogium) && $unchecked ]
 PrivateMemberTest/01: Fail # test seems bad - see issue #353
 PrivateMemberTest/02: Fail # test seems bad - see issue #353
 PrivateMemberTest/03: Fail # test seems bad - see issue #353
 PrivateMemberTest/04: Fail # test seems bad - see issue #353
-StringConcatTest: Fail
 
 [ ($component == frogsh ||  $component == frog || $component == frogium) && $checked ]
 PrivateMemberTest/none: Fail # test seems bad - see issue #353
 
 [ $component == frog || $component == frogsh ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 StaticField1RunNegativeTest: Pass
 StaticField2RunNegativeTest: Pass
 SyntaxTest/28: Fail # Issue 1109
 SyntaxTest/29: Fail # Issue 1109
 SyntaxTest/31: Fail # Issue 1109
 SyntaxTest/32: Fail # Issue 1109
 SyntaxTest/33: Fail # Issue 1109
 
 [ $component == frogium ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 StaticField1RunNegativeTest: Pass # but error is not correct
 StaticField2RunNegativeTest: Pass # but error is not correct
 
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip