```ruby
require 'rspec'

$LOAD_PATH.unshift(File.dirname(__FILE__))
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))

require 'clean_files'

Spec::Runner.configure do |config|

end
```

Use new rspec configuration syntax
user
```ruby
require 'rspec'

$LOAD_PATH.unshift(File.dirname(__FILE__))
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))

require 'clean_files'

RSpec.configure do |config|

end
```
assistant