unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/CSSTest.dart

Index: client/tests/client/dom/CSSTest.dart
diff --git a/client/tests/client/dom/CSSTest.dart b/client/tests/client/dom/CSSTest.dart
index 55c4074bdb4812c7a5106fd0258b7249b400e335..31750c7353c7908eeaacd1a90966635e7eba34c5 100644
--- a/client/tests/client/dom/CSSTest.dart
+++ b/client/tests/client/dom/CSSTest.dart
@@ -1,9 +1,10 @@
 #library('CSSTest');
-#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('WebKitCSSMatrix', () {
     WebKitCSSMatrix matrix1 = new WebKitCSSMatrix();
     Expect.equals(1, matrix1.m11.round());