public void Intersect_Different ()
{
SiteIdentityPermission sip1 = new SiteIdentityPermission (GoodSites [0]);
SiteIdentityPermission sip2 = new SiteIdentityPermission (GoodSites [1]);
SiteIdentityPermission result = (SiteIdentityPermission)sip1.Intersect (sip2);
Assert.IsNull (result, "Mono N Novell");
}