public void PinLengthTest()
{
PinGeneratorService testExample = new PinGeneratorService();
string result = testExample.Generate();
Assert.IsTrue(result.Length == 4);
}
public void PinIntTest()
{
PinGeneratorService testExample = new PinGeneratorService();
string result = testExample.Generate();
int num;
Assert.IsTrue(int.TryParse(result, out num));
}