Change the intensity of light of the front panel of the box
        :param luminosity: must be between 0 (light off) and 100
        :type luminosity: int

def set_display_luminosity(self, luminosity):
        """
        Change the intensity of light of the front panel of the box
        :param luminosity: must be between 0 (light off) and 100
        :type luminosity: int
        """
        if (luminosity < 0) or (luminosity > 100):
            raise ValueError("Luminosity must be between 0 and 100")
        self.bbox_auth.set_access(BboxConstant.AUTHENTICATION_LEVEL_PRIVATE,
                                  BboxConstant.AUTHENTICATION_LEVEL_PRIVATE)
        self.bbox_url.set_api_name(BboxConstant.API_DEVICE, "display")
        data = {'luminosity': luminosity}
        api = BboxApiCall(self.bbox_url, BboxConstant.HTTP_METHOD_PUT, data,
                          self.bbox_auth)
        api.execute_api_request()