public async Task <IHttpActionResult> CreateCandidateTask([FromBody] TaskInfo candidateTaskInfo)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            try
            {
                int createdTaskId = await _exerciseService.AddCandidateTaskAsync(candidateTaskInfo);

                var actionLink = Url.Link(nameof(GetCandidateTaskInfo), new { id = createdTaskId });
                return(Created(actionLink, new { Id = createdTaskId }));
            }
            catch (TestClassInfoNotFoundException)
            {
                return(BadRequest($"Invalid {nameof(TaskInfo.TestClassName)}"));
            }
            catch (Exception)
            {
                return(InternalServerError());
            }
        }