Well this would be nice starategy, first satisfy yourself with ur needs and when other want to do that just pull its leg.
American have conducted all types of N test, When India doing the same, then Americans are feeling heat. They dont want that other country should come even closer to them. If America really wants that the Nuclear test should be banned then first it should destroy the these weapons and then tell the other to do before that it does'nt make any sense.