response = client.execute(new HttpGet(SessionOperationServlet.createSetURI(baseURL1, "a", "3", "4")));
try {
Assert.assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
Assert.assertFalse(response.containsHeader(SessionOperationServlet.CREATED_SESSIONS));
Assert.assertFalse(response.containsHeader(SessionOperationServlet.DESTROYED_SESSIONS));
Assert.assertTrue(response.containsHeader(SessionOperationServlet.ADDED_ATTRIBUTES));
Assert.assertFalse(response.containsHeader(SessionOperationServlet.REPLACED_ATTRIBUTES));
Assert.assertFalse(response.containsHeader(SessionOperationServlet.REMOVED_ATTRIBUTES));
Assert.assertTrue(response.containsHeader(SessionOperationServlet.BOUND_ATTRIBUTES));
Assert.assertFalse(response.containsHeader(SessionOperationServlet.UNBOUND_ATTRIBUTES));
Assert.assertEquals("a", response.getFirstHeader(SessionOperationServlet.ADDED_ATTRIBUTES).getValue());