public override string ToString()
{
return("Test's number: " + NumTest + '\n' +
"Date of test: " + DateTest.ToShortDateString() + '\n' +
"Day and Hour of test: " + DayAndHour.GetString() + '\n' +
"Address test: " + AddressTest.GetString() + '\n' +
"Trainee's id: " + IdTrainee + '\n' +
"Tester's id: " + IdTester + '\n' +
"Criterion: " + Criterion.GetString() + '\n' +
"Tester's note: " + TesterNote + '\n' +
"Answer: " + Answer + '\n');
}
