micro challange
integration test for signing up a user
removed whitespace in user_helper.rb file
added test to validate that a user gets an SPECIFIC error message when they don't enter first name
user integration test that doesn't allow a sign up to occur with a blank last name
user integration tested to make sure that a user can't sign up without selecting a cohort
User integration tests to verfiy validity
Added integration test to a user trying to log in. Result for an unsuccessfully login
Added integration test to check if user can successfully login to profile page. also added pry to gemfile