checks.go
func (client *Client) PostCheck(check Check) error {
	return client.doJsonRequest("POST", "/v1/check_run",
		check, nil)
}
func (client *Client) PostCheck(check Check) error {
	return client.doJsonRequest("POST", "/v1/check_run",
		check, nil)
}
// PostCheck posts the result of a check run to the server