fixed app controller cart failures and also deleted irrelevant pending tests
remove check_if_is_admin irrelevant method, moved to cancan style permission instead
one more cart test
fix cart tests
edit equipment object spec; should be 4
fix equipment_model_controller tests (permission errors)
fix announcement model errors"
remove debug line
made shared example group more descriptive in model controller spec
Merge pull request #577 from YaleSTC/577_fix_failing_tests

Fix failing tests on main branches