[Organizer] Promoting a member to organizer

[msvrtan]

As an organizer

• [ ] Scenario: Promoting a member to organizer

  Given there is a 'local meetup' organization
  And 'Alex Smith' is 'local meetup' organizer
  And 'Jo Johnson' is member of 'local meetup' organization
  And I'm 'Alex Smith'
  When I promote 'Jo Johnson' to 'local meetup' organization
  Then 'Jo Johnson' is organizaer of 'local meetup' organization

• [ ] Scenario: Organizer can step down

  Given there is a 'local meetup' organization
  And 'Alex Smith' is 'local meetup' organizer
  And 'Jo Johnson' is 'local meetup' organizer
  And I'm logged in as 'Alex Smith'
  When I step down as organizer of 'local meetup' organization
  Then 'Alex Smith' is not an organizer of 'local meetup' organization

• [ ] Scenario: Organizer that steps down will become only a member of the organization

  Given there is a 'local meetup' organization
  And 'Alex Smith' is 'local meetup' organizer
  And 'Jo Johnson' is 'local meetup' organizer
  And I'm logged in as 'Alex Smith'
  When I step down as organizer of 'local meetup' organization
  Then 'Alex Smith' is a member of 'local meetup' organization

• [ ] TODO: Only organizer steps down?

• [ ] TODO: Kicking out other organizers?