Update phpunit config using latest changes from skeleton
Update phpunit config using latest changes from skeleton

garethellis36/commonmark,fesor/commonmark,thephpleague/commonmark,postalservice14/commonmark,postalservice14/commonmark,kkiernan/commonmark,garethellis36/commonmark,hason/commonmark,hason/commonmark,colinodell/commonmark,bcremer/commonmark,kkiernan/commonmark,thephpleague/commonmark,stof/commonmark,fesor/commonmark