Update unittest to new package layout.

samples/tests/samples/swarm/swarm_test.dart

Index: samples/tests/samples/swarm/swarm_test.dart
diff --git a/samples/tests/samples/swarm/swarm_test.dart b/samples/tests/samples/swarm/swarm_test.dart
index ab864c4802f90efd300215abd69b96e0e1a6aa21..8fb7b5f654ab2f82a0c7e56136ab468865e6625b 100644
--- a/samples/tests/samples/swarm/swarm_test.dart
+++ b/samples/tests/samples/swarm/swarm_test.dart
@@ -9,8 +9,8 @@
 #import('../../../ui_lib/base/base.dart');
 #import('../../../ui_lib/view/view.dart');
 #import('../../../ui_lib/util/utilslib.dart');
-#import('../../../../pkg/unittest/unittest.dart');
-#import('../../../../pkg/unittest/html_config.dart');
+#import('../../../../pkg/unittest/lib/unittest.dart');
+#import('../../../../pkg/unittest/lib/html_config.dart');
 
 // TODO(jmesserly): these would probably be easier to debug if they were written
 // in the WebKit layout test style, so we could easy compare that the DOM is
@@ -56,7 +56,7 @@ void main() {
         // transition end event before we can click a story.
         SectionView section = getView(swarm.sections[0]);
         section.showSources();
-      }, 
+      },
       () {
         final item = swarm.sections[0].feeds[2].articles[1];
         state.loadFromHistory(getHistory(item));