I'm missing the purpose of this check. Under what circumstances would universal_options be empty? 8d544b75 allowed provider/user/solaris.rb to set UNIVERSAL_OPTIONS to something else (which is non-empty), so universal_options should always contain at least UNIVERSAL_OPTIONS.

If there isn't a case where this should be empty, I'd expect something more like:
```
raise "omgwtfbbq" if universal_options.nil? || universal_options.empty?
```