travis: added tester blockchain
travis: added tester blockchain

hackaugusto/raiden,tomashaber/raiden,tomaaron/raiden,charles-cooper/raiden,tomashaber/raiden,charles-cooper/raiden,tomaaron/raiden,tomaaron/raiden,tomaaron/raiden,tomashaber/raiden,tomashaber/raiden,tomashaber/raiden,hackaugusto/raiden