WIP fix ee9 session tests

jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/handler/ContextHandlerCollection.java

@@ -125,7 +125,7 @@ public class ContextHandlerCollection extends Handler.Collection
     public Request.Processor handle(Request request) throws Exception
     {
         List<Handler> handlers = getHandlers();
-
+        //
         // Handle no contexts
         if (handlers == null || handlers.isEmpty())
             return null;

jetty-ee9/jetty-ee9-nested/src/main/java/org/eclipse/jetty/ee9/nested/SessionHandler.java

@@ -393,7 +393,6 @@ public class SessionHandler extends ScopedHandler implements SessionConfig.Mutab
     @Override
     public void doScope(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
     {
-        System.err.println("doscope sessionhandler " + _contextHandler);
         if (baseRequest.getDispatcherType() == DispatcherType.REQUEST)
         {
             org.eclipse.jetty.server.Request coreRequest = baseRequest.getHttpChannel().getCoreRequest();

jetty-ee9/test-ee9-sessions/test-ee9-sessions-common/src/test/java/org/eclipse/jetty/ee9/session/CreationTest.java

@@ -252,8 +252,6 @@ public class CreationTest
     /**
      * Create and then invalidate and then create a session in the same request
      */
-    //TODO not working
-    @Disabled
     @Test
     public void testSessionCreateInvalidateCreate() throws Exception
     {

jetty-ee9/test-ee9-sessions/test-ee9-sessions-common/src/test/java/org/eclipse/jetty/ee9/session/IdleSessionTest.java

@@ -275,7 +275,7 @@ public class IdleSessionTest
                 HttpSession session = request.getSession(false);
                 assertNotNull(session);
                 assertEquals(originalId, session.getId());
-                Session s = (Session)session;
+                Session s = ((org.eclipse.jetty.ee9.nested.Request)request).getCoreSession();
                 try (AutoLock lock = s.lock())
                 {
                     assertTrue(s.isResident());