* Second round. C1 messages should be handled by handler1. C2 and C3
* messages should be handled by handler2.
*/
ioHandler.addMessageHandler( C2.class, ( MessageHandler ) mockHandler2.getMock() );
ioHandler.messageReceived( session, msg[3] );
ioHandler.messageReceived( session, msg[4] );
ioHandler.messageReceived( session, msg[5] );
/*
* Third round. C1 messages should be handled by handler1, C2 by
* handler2 and C3 by handler3.