public async Task GetPersonalTestResults()
{
ITestResultService service = new TestResultService();
PersonalTestResults = await service.GetPersonalTestResults(CurrentAccount, SelectedSeries);
Points = new List <DataPoint>();
for (int i = 0; i < PersonalTestResults.Count; i++)
{
Points.Add(new DataPoint(i, PersonalTestResults[i].Mark));
}
MaximumY = PersonalTestResults.Count - 1;
}
