add connection empty insert test
add connection empty insert test

kupishkis/dbal,zeroedin-bill/dbal,mathroc/dbal,PowerKiKi/dbal,mbeccati/dbal,shivergard/dbal,vutung2311/dbal,mathroc/dbal,wuxu92/dbal,adrienbrault/dbal,vutung2311/dbal,kimhemsoe/dbal,kupishkis/dbal,nfrignani/dbal,adrienbrault/dbal,mihai-stancu/dbal,mihai-stancu/dbal,hason/dbal,DHager/dbal,mbeccati/dbal,lafourchette/dbal,kimhemsoe/dbal,doctrine/dbal,gencer/dbal,helicon-os/doctrine-dbal,drieschel/dbal,mariuz/dbal,mikeSimonson/dbal,deeky666/dbal,Tobion/dbal,cassvail/dbal,vortgo/dbal,tk-s/dbal,hason/dbal,webonyx/dbal,easybiblabs/dbal,arima-ryunosuke/dbal,v-bartusevicius/dbal,BenMorel/dbal,mihai-stancu/doctrine-dbal,lcobucci/dbal,lcobucci/dbal,mRoca/dbal,hason/dbal,mariuz/dbal,webonyx/dbal,Tobion/dbal,mihai-stancu/doctrine-dbal,wuxu92/dbal,sarcher/dbal,kupishkis/dbal,stof/dbal,arima-ryunosuke/dbal,doctrine/dbal,BenMorel/dbal,AlexDpy/dbal,helicon-os/doctrine-dbal,sarcher/dbal,cassvail/dbal,lafourchette/dbal,stchr/dbal,DHager/dbal,stchr/dbal,LionwareSolutions/dbal,mikeSimonson/dbal,mRoca/dbal,shivergard/dbal,adrienbrault/dbal,arima-ryunosuke/dbal,janschoenherr/dbal,LionwareSolutions/dbal,bspeterson/dbal,PowerKiKi/dbal,drieschel/dbal,janschoenherr/dbal,easybiblabs/dbal,gencer/dbal,nfrignani/dbal,vortgo/dbal,easybiblabs/dbal,bspeterson/dbal,v-bartusevicius/dbal,deeky666/dbal,LionwareSolutions/dbal,webonyx/dbal,tk-s/dbal,zeroedin-bill/dbal,mariuz/dbal,stof/dbal,AlexDpy/dbal,sarcher/dbal,PowerKiKi/dbal