add test for non-function loader in plugin factory.
add test for non-function loader in plugin factory.

chtombleson/PHPCI,zilionis/PHPCI,php-censor/php-censor,gdseller/PHPCI,andreustimm/PHPCI,nevernet/PHPCI,mseshachalam/PHPCI,laszlof/PHPCI,Topface/PHPCI,mikebronner/PHPCI,chtombleson/PHPCI,nelsonyang0710/PHPCI,mikk150/PHPCI,mikebronner/PHPCI,Coderockr/PHPCI,ronanchilvers/PHPCI,onedal88/PHPCI,wodka/PHPCI,mehulsbhatt/PHPCI,rafaelang/PHPCI,cooperaj/PHPCI,onedal88/PHPCI,Coderockr/PHPCI,php-censor/php-censor,onedal88/PHPCI,mindteam/PHPCI,SamMousa/PHPCI,Topface/PHPCI,SamMousa/PHPCI,juanf/PHPCI,mindteam/PHPCI,zilionis/PHPCI,andreustimm/PHPCI,andreustimm/PHPCI,gdseller/PHPCI,nelsonyang0710/PHPCI,ronanchilvers/PHPCI,Lechus/PHPCI,LewisW/PHPCI,steverobbins/PHPCI,Adirelle/PHPCI,chtombleson/PHPCI,nelsonyang0710/PHPCI,mikk150/PHPCI,mseshachalam/PHPCI,nevernet/PHPCI,Block8/PHPCI,cooperaj/PHPCI,rafaelang/PHPCI,keradus/PHPCI,corretgecom/PHPCI,Adirelle/PHPCI,keradus/PHPCI,php-censor/php-censor,jimmycleuren/PHPCI,laszlof/PHPCI,corretgecom/PHPCI,nevernet/PHPCI,jimmycleuren/PHPCI,mavimo/PHPCI,juanf/PHPCI,tankist/PHPCI,ojengwa/PHPCI,LewisW/PHPCI,ronanchilvers/PHPCI,mavimo/PHPCI,mindteam/PHPCI,seshurajup/PHPCI,mavimo/PHPCI,mehulsbhatt/PHPCI,corretgecom/PHPCI,rafaelang/PHPCI,ojengwa/PHPCI,LewisW/PHPCI,mehulsbhatt/PHPCI,jimmycleuren/PHPCI,mikk150/PHPCI,cooperaj/PHPCI,mikebronner/PHPCI,Block8/PHPCI,dwolke/phpci,Topface/PHPCI,Adirelle/PHPCI,Lechus/PHPCI,SamMousa/PHPCI,dwolke/phpci,dwolke/phpci,Coderockr/PHPCI,leadermt/PHPCI,leadermt/PHPCI,ronanchilvers/PHPCI,Block8/PHPCI,mseshachalam/PHPCI,keradus/PHPCI,wodka/PHPCI,gdseller/PHPCI,corpsee/php-censor,steverobbins/PHPCI,laszlof/PHPCI,Lechus/PHPCI,ojengwa/PHPCI,tankist/PHPCI,corpsee/php-censor,seshurajup/PHPCI,corpsee/php-censor,tankist/PHPCI,seshurajup/PHPCI,leadermt/PHPCI,zilionis/PHPCI,juanf/PHPCI,steverobbins/PHPCI