Adds the possibility to use a built version of OpenLayers for the tests, users simply have to add '?mode=build' in the run-tests.html url

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11162 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/Layer/MapServer.html

@@ -5,7 +5,7 @@
     <script type="text/javascript">window.alert = oldAlert;</script>
     
 
-<script src="../../lib/OpenLayers.js"></script>
+<script src="../OLLoader.js"></script>
   <script type="text/javascript">
     var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
     var layer;