Fix printing of compact_vm_config when test status change

pkg/unittest/lib/compact_vm_config.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.
 
 /**
  * A test configuration that generates a compact 1-line progress bar. The bar is
  * updated in-place before and after each test is executed. If all test pass,
  * you should only see a couple lines in the terminal. If a test fails, the
  * failure is shown and the progress bar continues to be updated below it.
  */
@@ skipping 49 matching lines @@
       if (test.message != '') {
         print(indent(test.message));
       }
 
       if (test.stackTrace != null) {
         print(indent(test.stackTrace.toString()));
       }
     }
   }
 
+  void onTestResultChanged(TestCase test) {
+    _pass--;
+    _fail++;
+    _progressLine(_start, _pass, _fail, test.description);
+    print('');
+    if (test.message != '') {
+      print(indent(test.message));
+    }
+
+    if (test.stackTrace != null) {
+      print(indent(test.stackTrace.toString()));
+    }
+  }
+
   void onDone(bool success) {
     // Override and don't call the superclass onDone() to avoid printing the
     // "unittest-suite-..." boilerplate.
     Future.wait([stdout.close(), stderr.close()]).then((_) {
       _receivePort.close();
       exit(success ? 0 : 1);
     });
   }
 
   void onSummary(int passed, int failed, int errors, List<TestCase> results,
@@ skipping 111 matching lines @@
   // If the test is running on the Dart buildbots, we don't want to use this
   // config since it's output may not be what the bots expect.
   if (Platform.environment['LOGNAME'] == 'chrome-bot') {
     return;
   }
 
   unittestConfiguration = _singleton;
 }
 
 final _singleton = new CompactVMConfiguration();