unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/DOMConstructorsTest.dart

Index: client/tests/client/dom/DOMConstructorsTest.dart
diff --git a/client/tests/client/dom/DOMConstructorsTest.dart b/client/tests/client/dom/DOMConstructorsTest.dart
index bee6a73a6a9e6348bb2734f4133d619ad202bfcb..27eb1bbf617dbea6c45484677d70181e150987a0 100644
--- a/client/tests/client/dom/DOMConstructorsTest.dart
+++ b/client/tests/client/dom/DOMConstructorsTest.dart
@@ -1,9 +1,10 @@
 #library('DOMConstructorsTest');
-#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('FileReader', () {
     FileReader fileReader = new FileReader();
     Expect.equals(FileReader.EMPTY, fileReader.readyState);