Fix warning
Fix warning

```
/Users/rschneeman/Documents/projects/puma/test/test_cli.rb:243: warning: assigned but unused variable - cli
```

puma/puma,looker/puma,eileencodes/puma,looker/puma,puma/puma,looker/puma,eileencodes/puma,looker/puma,puma/puma,puma/puma,eileencodes/puma,eileencodes/puma