message = MessageHistory.write( message, fooChannel );
message = MessageHistory.write( message, barChannel );
store.addMessageToGroup( 1, message );
message = store.getMessageGroup( 1 ).getMessages().iterator().next();
MessageHistory messageHistory = MessageHistory.read( message );
Assert.assertNotNull( messageHistory );
Assert.assertEquals( 2, messageHistory.size() );
Properties fooChannelHistory = messageHistory.get( 0 );
Assert.assertEquals( "fooChannel", fooChannelHistory.get( "name" ) );
Assert.assertEquals( "channel", fooChannelHistory.get( "type" ) );
}