public void Create(DalTestCompleted e)
 {
     CompletedTest completedTest = e.ToOrm();
     User user = context.Set<User>().FirstOrDefault(m => m.Id == e.User.Id);
     List<Option> options = completedTest.Answers
         .Select(answer => context.Set<Option>().FirstOrDefault(m => m.Id == answer.Id)).ToList();
     Test test = context.Set<Test>().FirstOrDefault(m => m.Id == completedTest.Test.Id);
     completedTest.User = user;
     completedTest.Answers = options;
     completedTest.Test = test;
     completedTest.IsFinished = true;
     context.Set<CompletedTest>().Add(completedTest);
     context.SaveChanges();
 }