[Tests] courses

[michellexliu]

spec/controllers/courses_controller_spec.rb

@jlge:

Sprint 1:

• [Render test] show
• [Render test] manage
• [Functionality test] create
• [Functionality test] update
• [Render test] new
• [Functionality test] update user_lookup to actually check the right things

Sprint 2:

• [Render test] index
• [Render test] edit
• [Functionality test] destroy
• [Render test] users
• [Functionality test] reload
• [Render / Functionality test] install_assessment

@20wildmanj:

Sprint 1:

• remove report_bug
• [Functionality test] add_users_from_emails
• [Functionality test] unlink_course
• [Functionality test] update_lti_settings
• [Functionality test] download_roster

Sprint 2:

• [Functionality test] email
• [Render test] moss
• [Functionality test] run_moss
• [Functionality test] upload_roster