[zendframework/zf2#4319] Fix tests
[zendframework/zf2#4319] Fix tests

- Intention changed mid-PR, but tests were not updated; demonstrate that Factory
  composes a default filter chain and validator chain by default.

zendframework/zend-inputfilter,akomm/zend-inputfilter,Blinden/zend-inputfilter,stefanotorresi/zend-inputfilter,zf2timo/zend-inputfilter,MadCat34/zend-inputfilter,weierophinney/zend-inputfilter,akrabat/zend-inputfilter,Maks3w/zend-inputfilter