add tests for invalid connection config
add tests for invalid connection config

kumamidori/cakephp,michaelze/cakephp,tgr0ss/cakephp,cakephp/cakephp,jeffblack360/cakephp,ADmad/cakephp,bravo-kernel/cakephp,akintoey/cakephp,Balachan27/cakephp,elboletaire/cakephp,kumamidori/cakephp,cakephp/cakephp,timhoeppner/cakephp,Balachan27/cakephp,pbaire/cakephp,dakota/cakephp,justinyost/cakephp,khoimt/cakephp-study,cakephp/cakephp,jerems02/cakephp,gmponos/cakephp,Phillaf/cakephp,dkarvounaris/cakephp,HavokInspiration/cakephp,thinkingmedia/cakephp,cakephp-fr/cakephp,CVO-Technologies/cakephp,davidyell/cakephp,erikfig/cakephp,khoimt/cakephp-study,jjj117/cakephp,CakeDC/cakephp,michaelze/cakephp,pbaire/cakephp,bravo-kernel/cakephp,petteyg/cakephp,eryw/cakephp,mvdriel/cakephp,ionas/cakephp,adopico/cakephp,dakota/cakephp,nrother/cakephp,web-player/cakephp,bravo-kernel/cakephp,mvdriel/cakephp,berrygoudswaard/cakephp,nrother/cakephp,nrother/cakephp,web-player/cakephp,yinhe007/cakephp,ADmad/cakephp,eryw/cakephp,petteyg/cakephp,ionas/cakephp,jerems02/cakephp,ADmad/cakephp,CVO-Technologies/cakephp,justinyost/cakephp,CakeDC/cakephp,ndm2/cakephp,burriko/cakephp,burriko/cakephp,eboominathan/cakephp,berrygoudswaard/cakephp,cakephp-fr/cakephp,gmponos/cakephp,yinhe007/cakephp,Phillaf/cakephp,petteyg/cakephp,elboletaire/cakephp,davidyell/cakephp,eryw/cakephp,jjj117/cakephp,tisu2tisu/cakephp,petteyg/cakephp,dakota/cakephp,ndm2/cakephp,garethellis36/cakephp,tisu2tisu/cakephp,tgr0ss/cakephp,Phillaf/cakephp,thinkingmedia/cakephp,cakephp-fr/cakephp,tenkoma/cakephp,adopico/cakephp,Balachan27/cakephp,garethellis36/cakephp,mvdriel/cakephp,jjj117/cakephp,HavokInspiration/cakephp,justinyost/cakephp,adopico/cakephp,CakeDC/cakephp,tgr0ss/cakephp,thinkingmedia/cakephp,tenkoma/cakephp,pbaire/cakephp,HavokInspiration/cakephp,davidyell/cakephp,berrygoudswaard/cakephp,kumamidori/cakephp,garethellis36/cakephp,tisu2tisu/cakephp,michaelze/cakephp,jerems02/cakephp,timhoeppner/cakephp,elboletaire/cakephp,khoimt/cakephp-study,garethellis36/cakephp,ndm2/cakephp,dkarvounaris/cakephp,erikfig/cakephp,gmponos/cakephp,eboominathan/cakephp,ionas/cakephp,mvdriel/cakephp,CakeDC/cakephp,akintoey/cakephp,jeffblack360/cakephp,eboominathan/cakephp,burriko/cakephp,web-player/cakephp,dkarvounaris/cakephp,yinhe007/cakephp,tenkoma/cakephp,ADmad/cakephp,dakota/cakephp,cakephp/cakephp,akintoey/cakephp,timhoeppner/cakephp,jeffblack360/cakephp,ndm2/cakephp,erikfig/cakephp,CVO-Technologies/cakephp,tenkoma/cakephp