Remove \r in command stdout/stderr when building failure a failure output.

tools/testing/dart/test_progress.dart

 // Copyright (c) 2013, 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 test_progress;
 
 import "dart:io";
 import "dart:io" as io;
 import "http_server.dart" as http_server;
 import "status_file_parser.dart";
@@ skipping 80 matching lines @@
       prefix = '   ';
     }
   }
   if (!test.lastCommandOutput.stdout.isEmpty) {
     output.add('');
     output.add('stdout:');
     if (test.lastCommandOutput.command.isPixelTest) {
       output.add('DRT pixel test failed! stdout is not printed because it '
                  'contains binary data!');
     } else {
-      output.add(decodeUtf8(test.lastCommandOutput.stdout));
+      output.addAll(decodeUtf8(test.lastCommandOutput.stdout)
+          .replaceAll('\r\n', '\n').split('\n'));

[ahe, 2013/04/03 10:13:58]

How about creating a method for this?

I suggest you also do ".replaceAll('\r', '\n')" after replacing all \r\n.  This
should make output from things that display progress like more readable in a log
file.

[kustermann, 2013/04/03 12:52:13]

Done.

     }
   }
   if (!test.lastCommandOutput.stderr.isEmpty) {
     output.add('');
     output.add('stderr:');
-    output.add(decodeUtf8(test.lastCommandOutput.stderr));
+    output.addAll(decodeUtf8(test.lastCommandOutput.stderr)
+        .replaceAll('\r\n', '\n').split('\n'));
   }
   if (test is BrowserTestCase) {
     // Additional command for rerunning the steps locally after the fact.
     var command =
       test.configuration["_servers_"].httpServerCommandline();
     output.add('To retest, run:  $command');
   }
   for (Command c in test.commands) {
     output.add('');
     String message = (c == test.commands.last
@@ skipping 390 matching lines @@
       print('@@@STEP_FAILURE@@@');
       print('@@@BUILD_STEP $stepName failures@@@');
       for (String line in _failureSummary) {
         print(line);
       }
       print('');
     }
     super.allDone();
   }
 }