ghttp/handlers.go
func VerifyContentType(contentType string) http.HandlerFunc {
	return func(w http.ResponseWriter, req *http.Request) {
		Expect(req.Header.Get("Content-Type")).Should(Equal(contentType))
	}
}
func VerifyContentType(contentType string) http.HandlerFunc {
	return func(w http.ResponseWriter, req *http.Request) {
		Expect(req.Header.Get("Content-Type")).Should(Equal(contentType))
	}
}
//VerifyContentType returns a handler that verifies that a request has a Content-Type header set to the
//specified value