def METHOD_NAME(
        self, attachment_set_id, case_id, error_code=None):
    expected_params = {
        'caseId': case_id,
        'communicationBody': "This is an example communication added to a support case.",
        'attachmentSetId': attachment_set_id}
    response = {}
    self._stub_bifurcator(
        'add_communication_to_case', expected_params, response, error_code=error_code)