adds test to show that the behaviour in parnurzeal/gorequest#29 is already supported by gorequest, and updates the TestAsCurlCommand test to pass with the latest version of http2curl
adds test to show that the behaviour in parnurzeal/gorequest#29 is already
supported by gorequest, and updates the TestAsCurlCommand test to pass
with the latest version of http2curl

fromkeith/gorequest,parnurzeal/gorequest