Omit "Functions" test asset from CS checks
Omit "Functions" test asset from CS checks

- It will fail the PSR-4 check, as it lives in the `Phly\Conduit\Http`
  namespace in order to override PHP functions.

liuggio/zend-stratigility,Maks3w/zend-stratigility,xtreamwayz/zend-stratigility,codeliner/zend-stratigility,Diego-Brocanelli/zend-stratigility,matwright/zend-stratigility,jguittard/zend-stratigility