unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/HTMLElementTest.dart

Index: client/tests/client/dom/HTMLElementTest.dart
diff --git a/client/tests/client/dom/HTMLElementTest.dart b/client/tests/client/dom/HTMLElementTest.dart
index 16c0edc3aeb2b7702ba358e18790a82460c1ec97..fcf7900a6a8c9fad66935e859230e5eb0929df72 100644
--- a/client/tests/client/dom/HTMLElementTest.dart
+++ b/client/tests/client/dom/HTMLElementTest.dart
@@ -1,9 +1,10 @@
 #library('HTMLElementTest');
-#import('../../../../lib/unittest/unittest_dom.dart');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/dom_config.dart');
 #import('dart:dom');
 
 main() {
-  forLayoutTests();
+  useDomConfiguration(isLayoutTest: true);
   test('InnerHTML', () {
     HTMLElement element = document.createElement('div');
     element.id = 'test';