test & data file for hw3
tests for recipe functionality
more test for recipe functionality (HW 3)
fixed test bug noted by chuy2412
Merge branch 'hw3-recipe-tests'
fixed test name test_get_recipe_2 to test_add_recipe_2
updated tests to check for HW 4 stuff
Merge https://github.com/ctb/cse491-drinkz
added app.py