[test.dart] Complain if there is non-utf8 formatted data in test output

tools/testing/dart/status_file_parser.dart

 // 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.
 
 library status_file_parser;
 
 import "dart:async";
 import "dart:convert" show LineSplitter, UTF8;
 import "dart:io";
 
 import "path.dart";
 import "status_expression.dart";
 
 class Expectation {
   // Possible outcomes of running a test.
   static Expectation PASS = byName('Pass');
   static Expectation CRASH = byName('Crash');
   static Expectation TIMEOUT = byName('Timeout');
   static Expectation FAIL = byName('Fail');
 
   // Special 'FAIL' cases
   static Expectation RUNTIME_ERROR = byName('RuntimeError');
   static Expectation COMPILETIME_ERROR = byName('CompileTimeError');
   static Expectation MISSING_RUNTIME_ERROR = byName('MissingRuntimeError');
   static Expectation MISSING_COMPILETIME_ERROR =
       byName('MissingCompileTimeError');
   static Expectation STATIC_WARNING = byName('StaticWarning');
   static Expectation MISSING_STATIC_WARNING = byName('MissingStaticWarning');
   static Expectation PUB_GET_ERROR = byName('PubGetError');
+  static Expectation NON_UTF8_ERROR = byName('NonUtf8Output');
 
   // Special 'CRASH' cases
   static Expectation DARTK_CRASH = byName('DartkCrash');
 
   // Special 'TIMEOUT' cases
   static Expectation DARTK_TIMEOUT = byName('DartkTimeout');
 
   // Special 'COMPILETIME_ERROR'
   static Expectation DARTK_COMPILETIME_ERROR = byName('DartkCompileTimeError');
 
@@ skipping 33 matching lines @@
 
       var fail = build("Fail");
       var crash = build("Crash");
       var timeout = build("Timeout");
       build("Pass");
 
       var compileError = build("CompileTimeError", group: fail);
       build("MissingCompileTimeError", group: fail);
       build("MissingRuntimeError", group: fail);
       build("RuntimeError", group: fail);
+      build("NonUtf8Output", group: fail);
 
       // Dartk sub expectations
       build("DartkCrash", group: crash);
       build("DartkTimeout", group: timeout);
       build("DartkCompileTimeError", group: compileError);
 
       build("MissingStaticWarning", group: fail);
       build("StaticWarning", group: fail);
 
       build("PubGetError", group: fail);
@@ skipping 260 matching lines @@
         }
         regExps[i] = regExp;
       }
       _keyToRegExps[key] = regExps;
     });
 
     _regExpCache = null;
     _preprocessed = true;
   }
 }