Configure database cleaner for feature specs
user
```ruby
require 'database_cleaner'

RSpec.configure do |config|

  config.before(:suite) do
    DatabaseCleaner.clean_with :truncation
  end

  config.before do
    DatabaseCleaner.strategy = :transaction
  end

  config.before(:each, js: true) do
    DatabaseCleaner.strategy = :truncation
  end

  config.before do
    DatabaseCleaner.start
  end

  config.after do
    DatabaseCleaner.clean
  end
end
```
assistant