add test for :default option.
add test for :default option.

mipearson/reform,halan/reform,trailblazer/reform,bolshakov/reform,francirp/reform,mipearson/reform,bolshakov/reform,joealba/reform,francirp/reform,simonc/reform,joealba/reform,Miralaw/reform,prosanelli/reform,prosanelli/reform,swifthand/reform,swifthand/reform,eljojo/reform,Miralaw/reform,halan/reform,eljojo/reform,apotonick/reform