Package up the Web Script tests into a suite

All except one test have gone into the suite, that one is listed explicitly
 in build.xml as it needs to be run in its own JVM as it has its own
 custom context that won't shut down properly.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19232 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/web/scripts/thumbnail/ThumbnailServiceTest.java

@@ -97,6 +97,7 @@ public class ThumbnailServiceTest extends BaseWebScriptTest
     {
         super.tearDown();
 
+        AuthenticationUtil.clearCurrentSecurityContext();
     }
     
     public void testCreateThumbnail() throws Exception