Testing
===

Student = Actor
P = Partner Site
App = Web App
Api = Reg API

Student -> P : Choose course(S)
P -> Api : Issue key for(S)
P <~ Api : Registration key(K)
P -> App : Register with key(K)
Student <~ App : Registration form
Student -> App : Fill the form(F)
App : Save the form(F)
App -> Api : Register(K, F) # New API
Api : Create course
App <~ Api : Course details(C)
App : Save(C)
Student <~ App : Show course summary
Student -> Api : Click study button
Student <~ Api : Show mypage