Cleaning up unittest configurations

pkg/unittest/lib/interactive_html_config.dart

Index: pkg/unittest/lib/interactive_html_config.dart
diff --git a/pkg/unittest/lib/interactive_html_config.dart b/pkg/unittest/lib/interactive_html_config.dart
index 796fcd46832993b9a6bb8407779e6c32cf7689dc..fa3c283bbc09b3c90483b3feda1869a2696351fb 100644
--- a/pkg/unittest/lib/interactive_html_config.dart
+++ b/pkg/unittest/lib/interactive_html_config.dart
@@ -160,9 +160,11 @@ class ChildInteractiveHtmlConfiguration extends HtmlConfiguration {
     parentWindow.postMessage(
         _Message.text(testCase.result, elapsed, testCase.message), '*');
   }
+  void onSummary(int passed, int failed, int errors, List<TestCase> results,
+      String uncaughtError) {
+  }
 
-  void onDone(int passed, int failed, int errors, List<TestCase> results,
-              String uncaughtError) {
+  void onDone(bool success) {
     _uninstallErrorHandler();
   }
 }
@@ -407,8 +409,11 @@ class ParentInteractiveHtmlConfiguration extends HtmlConfiguration {
     actions.style.display = 'none';
   }
 
-  void onDone(int passed, int failed, int errors, List<TestCase> results,
+  void onSummary(int passed, int failed, int errors, List<TestCase> results,
       String uncaughtError) {
+  }
+
+  void onDone(bool success) {
     window.on.message.remove(_messageHandler);
     _uninstallErrorHandler();
     document.query('#busy').style.display = 'none';