failed spec for relationship with screening
added spec for screening create, with presence
wrote spec for relationship between screening and ticket, test failed
added ticket model and spec for is created
added spec for validates price, screening_id and seat_num
added spec and fix for ticket screening relationship
created a user model but test continues to fail
added belongs_to in ticket model to pass spec
tests spec of creating user with only 3 params
created spec for ticket and seat