Further code review changes for issue 8341027.

client/tests/client/observable/observable_tests.dart

Index: client/tests/client/observable/observable_tests.dart
diff --git a/client/tests/client/observable/observable_tests.dart b/client/tests/client/observable/observable_tests.dart
index 420cbecc1bdf77cf697b7ac8afde6e6a4cb71980..a25d18f02185a651e4537e3d5d0969ab18ce8734 100644
--- a/client/tests/client/observable/observable_tests.dart
+++ b/client/tests/client/observable/observable_tests.dart
@@ -4,8 +4,7 @@
 
 #library('observable_tests');
 
-#import('dart:html'); // TODO(rnystrom): Only needed to tell architecture.py
-                      // that this is a web test. Come up with cleaner solution.
+#import('../../../html/html.dart');
 #import('../../../observable/observable.dart');
 #import('../../../testing/unittest/unittest.dart');
 
@@ -46,4 +45,4 @@ void validateRemove(ChangeEvent e, target, pName, index, oldVal) {
 
 void validateUpdate(ChangeEvent e, target, pName, index, newVal, oldVal) {
   validateEvent(e, target, pName, index, ChangeEvent.UPDATE, newVal, oldVal);
-}
+}