[zendframework/zf2#2161] Skip test in 5.3.3
[zendframework/zf2#2161] Skip test in 5.3.3

- PCRE version in 5.3.3 and earlier was broken with regards to unicode
  whitespace recognition

zendframework/zend-filter,Maks3w/zend-filter,MadCat34/zend-filter,delboy1978uk/zend-filter