unittest step 3 and 4: remove TestFramework.dart, make test.dart use

lib/unittest/vm_config.dart

Index: lib/unittest/vm_config.dart
diff --git a/lib/unittest/vm_config.dart b/lib/unittest/vm_config.dart
index dcf50007cd8151058c393f6f321d71569521a15d..39197191412c4fcead131002d65ab1665cba6c33 100644
--- a/lib/unittest/vm_config.dart
+++ b/lib/unittest/vm_config.dart
@@ -11,9 +11,10 @@
 #import('unittest.dart');
 
 class VmConfiguration extends Configuration {
-  void onDone(int passed, int failed, int errors, List<TestCase> results) {
+  void onDone(int passed, int failed, int errors, List<TestCase> results,
+      String uncaughtError) {
     try {
-      super.onDone(passed, failed, errors, results);
+      super.onDone(passed, failed, errors, results, uncaughtError);
     } catch (Exception ex) {
       // A non-zero exit code is used by the test infrastructure to detect
       // failure.