code: protected Response httpPostCSV(String path, String csvBody, int status) {
          MultiPartSpecBuilder multipart = new MultiPartSpecBuilder(csvBody.getBytes());
          multipart.mimeType("multipart/form-data");
          multipart.fileName("file.csv");
          return httpRequest(status, "multipart/form-data")
                  .multiPart(multipart.build())
                  .header("Authorization", "Basic YWRtaW46cGFzc3dvcmQ=")
                  .post(baseURL + PATH_PREFIX + path);
      }
docs: Posts the given CSV as multipart form data to the given path and expect a 200 status code.
  
  @param path    the resource URI
  @param csvBody the resource representation
  @return the http response