Modified 'should' into 'expect' declarations
Updated scheme after rebasing
Migration of schema shows user_id and class_group_id
Commented out  requirement; not needed and deprecated
App controller orig file removed, not needed
added before block, working on GET show_cohort8 testing
Added gem 'database_cleaner' to clean db before tests; moved all gem functions into spec/support/database_cleaner.rb folder; cleaned_up spec_helper.rb file
Now working show/index and create methods for classgroup controller spec testing
modified before block to declare example hash for sessions controller
removed excessive :all call in before block
removed empty line
corrected GET #show method: added params hash to go with session hash
Matched RSpec initialization just like other spec/controllers files
Users controller: added before block, corrected wrongly named controller from ClassGroupsContoller to UsersController
Corrected wrongly named id fro @classgroup.id in two tests
removed any tests from Users controller spec; not ready to test for show/index/etc. methods (no view for this so far...)