Fix models in test_attacks.py that were ignoring h1 and incorrectly feeding x to softmax.
Fix models in test_attacks.py that were ignoring h1 and incorrectly feeding x to softmax.

cleverhans-lab/cleverhans,cleverhans-lab/cleverhans,cihangxie/cleverhans,openai/cleverhans,carlini/cleverhans,carlini/cleverhans,fartashf/cleverhans,cleverhans-lab/cleverhans