public async IAsyncEnumerable <TestResult> GetAllResults()
{
await foreach (var item in testResultRepository.GetAllAsync())
{
yield return(item);
}
}
private async Task <TestResult> GetExistingTestResult(string testID, User user)
{
return(await testResultRepository.GetAllAsync()
.FirstOrDefaultAsync(x => x.User == user && x.Test.ID == testID));
}