public async Task SetCreatedAndModifiedTimes()
{
SystemClock.AdjustTime(TimeSpan.FromMilliseconds(100));
DateTime nowUtc = SystemClock.UtcNow;
var employee = await _employeeRepository.AddAsync(EmployeeGenerator.Default);
Assert.True(employee.CreatedUtc >= nowUtc);
Assert.True(employee.UpdatedUtc >= nowUtc);
DateTime createdUtc = employee.CreatedUtc;
DateTime updatedUtc = employee.UpdatedUtc;
employee.Name = Guid.NewGuid().ToString();
SystemClock.Reset();
employee = await _employeeRepository.SaveAsync(employee);
Assert.Equal(createdUtc, employee.CreatedUtc);
Assert.True(updatedUtc < employee.UpdatedUtc, $"Previous UpdatedUtc: {updatedUtc} Current UpdatedUtc: {employee.UpdatedUtc}");
}