contentbody declared and not used.

unused.go

// Run all tests and log to file
func RunTests(tests []testCase) {

	color.Blue("Starting test casses...")

	client := &http.Client{}

	for _, test := range tests {
		color.Blue("Test: " + test.Name)
		color.Blue(test.Method + " " + test.Path)

		if data, err := test.Sent.MarshalJSON(); err == nil {

			var contentbody io.Reader = nil

			if string(data) != "null" {
				contentbody := bytes.NewReader(data)
			}

			if req, err := http.NewRequest(test.Method, test.Path, contentbody); err == nil {
				if resp, err := client.Do(req); err == nil {
					if returned, err := ioutil.ReadAll(resp.Body); err == nil {
						fmt.Println(string(returned))
					} else {
						color.Red(err.Error())
					}
				} else {
					color.Red(err.Error())
				}
			} else {
				color.Red(err.Error())
			}
		} else {
			color.Red(err.Error())
		}

	}

}