…ethod destroy to destroy_all methon on Work class

…g, uses destroy_all(condition) that will be deprecated in Rails 5.1

…en passing tests

…nil in root controller tests

…roller testing complete

…nment for testing. commented out unecessary code. tests still passing

…for work controller tests

…tions nominal and edge cases

…for logged in vs guest vs logged out users

…idations models pass. works controller tests mostly passes, guest user testing fails

…for one in works_controller