### Question:
PermissionService { @Transactional public boolean deletePermission(int id) { try { this.deleteChildren(id); this.permissionRepository.deleteRoleByPermissionId(id); this.permissionRepository.deleteById(id); return true; } catch (Exception e) { log.error("delete permission error", e.getMessage()); } return false; }  @Transactional boolean savePermission(PermissionReqDto permissionReqDto); @Transactional boolean deletePermission(int id); @Transactional boolean changePermissionStatus(int id, boolean active); @Transactional boolean updatePermission(int id, PermissionReqDto permissionReqDto); PermissionRespDto findPermissionDetail(int id); List<PermissionRespDto> findAll(String name);  }### Answer:
@Test public void deletePermission() throws Exception { }