create User in console:
user = User.create(
:first_name => 'admin',
:last_name => 'admin',
:email => 'foo...@email.com',
:password => 'password1',
:password_confirmation => 'password1'
).skip_confirmation!
# Devise :doc:
# If you don't want confirmation to be sent on create, neither a code
# to be generated, call skip_confirmation!
or in model:
after_create :skip_conf!
def skip_conf!
self.confirm! if Rails.env.development?
end