assertFalse(results.hasNext());
verifyZeroInteractions(this.batch);
// Validate that returned sessions can be invalidated
HttpServerExchange exchange = new HttpServerExchange(null);
Session mutableSession = mock(Session.class);
when(session.getSessionManager()).thenReturn(manager);
when(manager.getSession(same(exchange), Matchers.<SessionConfig>any())).thenReturn(mutableSession);