Drop minitest dependency as it's included in Ruby
Drop minitest dependency as it's included in Ruby

guilherme/byebug,deivid-rodriguez/byebug,yui-knk/byebug,saisai/byebug,edward/byebug,icebreaker/byebug,k0kubun/byebug,k0kubun/byebug,yui-knk/byebug,saisai/byebug,davidmowrer/in_class_projects_t2,scalp42/byebug,phusion/byebug,os97673/byebug,davidmowrer/in_class_projects_t2,edward/byebug,webdev1001/byebug,icebreaker/byebug,ozydingo/byebug,miamiruby/byebug,davidmowrer/in_class_projects_t2,guilherme/byebug,scalp42/byebug,yui-knk/byebug,phusion/byebug,ozydingo/byebug,k0kubun/byebug,miamiruby/byebug,deivid-rodriguez/byebug,webdev1001/byebug,os97673/byebug,deivid-rodriguez/byebug,guilherme/byebug