more tests for Form#validate.
more tests for Form#validate.

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