Cast away constness for newsgroup interface for testing purposes...If we need to do this in the real news host, we'll change the news host interface such that the newsgroup passed in is not const..

mailnews/news/tests/nsNNTPHostStub.cpp

@@ -671,7 +671,7 @@ nsresult nsNNTPHostStub::AddGroup(const char *groupname, nsINNTPNewsgroup **retv
 nsresult nsNNTPHostStub::RemoveGroup(const nsINNTPNewsgroup * group)
 {
 	char * name = nsnull;
-	group->GetName(&name);
+	((nsINNTPNewsgroup *) group)->GetName(&name);
 
 	printf ("Removing group %s.\n", name ? name : "unspecified");
 	PR_FREEIF(name);