```ruby
require 'rails_helper'

describe HomeController do
  describe "GET 'index'" do
    it 'returns http success' do
      get 'index'
      expect(response).to be_success
    end
  end
end
```

Fix Rails 6.0 deprecation warning
user
```ruby
require 'rails_helper'

describe HomeController do
  describe "GET 'index'" do
    it 'returns http success' do
      get 'index'
      expect(response).to be_successful
    end
  end
end
```
assistant