# create the instance and set up the roles
i = Instance.create(:long_name => "Instance Long Name")
i.short_name = "short_name"
i.roles = Role.default_setup
i.save

# create a new user
u = User.create(:first_name => "John", :last_name => "Smith", :email => "johnsmith@example.com")
u.role = i.roles.find_by_name('Super Administrator') # assign a role
u.generate_salt!
u.generate_activation_code!
u.generate_crypted_password!('password')
u.state = 'active'
u.save