script for running tests
throw on improper arguments, short array
uniques
just do ratings test first
get max/min, sum non-outliers, return avg
note on multiple passes
create hard copy of ratings; test getAllMovieRatings
must slice() first; test that getMovieRatings returns correct ratings
throw error when movie doesnt exist
add Goldfinger, test putMovieRatings
test overwriting using putMovieRatings
redefine originalRatings at each step
test deleteMovieRatings
test both
byebye