Add new file model_test.py.
Add new file model_test.py.

nkinkade/operator,nkinkade/operator,jheretic/operator,jheretic/operator,stephen-soltesz/operator,m-lab/operator,stephen-soltesz/operator,m-lab/operator,critzo/operator,critzo/operator,salarcon215/operator,salarcon215/operator