golang test e2e

httpexpect star 1159
https://github.com/gavv/httpexpect
https://github.com/gavv/httpexpect/blob/master/_examples/echo_test.go


goconvey
https://segmentfault.com/a/1190000014924022
https://github.com/smartystreets/goconvey/

baloo star 652
https://github.com/h2non/baloo

frisby star 249
https://github.com/verdverm/frisby

apitest star 121
https://github.com/steinfletcher/apitest