XWIKI-4047: Shared test project should provide an implementation of slf4j for every unit test with dependencies needing it
XWIKI-4047: Shared test project should provide an implementation of slf4j for every unit test with dependencies needing it

git-svn-id: d23d7a6431d93e1bdd218a46658458610974b053@21720 f329d543-caf0-0310-9063-dda96c69346f

xwiki/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform,xwiki/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform,xwiki/xwiki-platform