test renaming overhaul: step 4 client tests

tests/dom/events_test.dart

 #library('EventsTest');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/dom_config.dart');
+#import('../../lib/unittest/unittest.dart');
+#import('../../lib/unittest/dom_config.dart');
 #import('dart:dom');
 
 main() {
   useDomConfiguration();
   test('TimeStamp', () {
     Event event = document.createEvent('Event');
 
     int timeStamp = event.timeStamp;
     Expect.isTrue(timeStamp > 0);
   });
@@ skipping 38 matching lines @@
     invocationCounter = 0;
     element.dispatchEvent(event);
     Expect.equals(1, invocationCounter);
   });
   test('InitMouseEvent', () {
     HTMLDivElement div = window.document.createElement('div');
     MouseEvent event = window.document.createEvent('MouseEvent');
     event.initMouseEvent('zebra', true, true, window, 0, 1, 2, 3, 4, false, false, false, false, 0, div);
   });
 }