NS_IMETHODIMP nsTestXPCFoo2::Test3(nsISupports *p1, nsISupports **p2)
NS_IMETHODIMP nsTestXPCFoo::Test3(nsISupports *p1, nsISupports **p2)
NS_IMETHODIMP nsTestXPCFoo2::Test3(nsISupports *p1, nsISupports **p2){    printf("Got called");    return NS_OK;}