```ruby
# frozen_string_literal: true

FactoryBot.define do
  factory :janus_instance, class: RubyRabbitmqJanus::Models::JanusInstance do
    enable { true }
  end
end
```

Fix rule factory class name
user
```ruby
# frozen_string_literal: true

FactoryBot.define do
  factory :janus_instance, class: 'RubyRabbitmqJanus::Models::JanusInstance' do
    enable { true }
  end
end
```
assistant