fails:Enumerator::Generator#each is an enumerable
fails:Enumerator::Generator#each supports enumeration with a block
fails:Enumerator::Generator#each raises a LocalJumpError if no block given
fails:Enumerator::Generator#each returns the block returned value
fails:Enumerator::Generator#each requires multiple arguments
fails:Enumerator::Generator#each appends given arguments to receiver.each
