public void Leetspeak_e()
{
// PingPongClass testPingPong = new PingPongClass();
Assert.AreEqual('3', LeetspeakClass.CheckNumber('e'));
}
public void PingPong_NumberDivisibleByThree_pingAndFive_ping()
{
// PingPongClass testPingPong = new PingPongClass();
Assert.AreEqual('7', LeetspeakClass.CheckNumber('t'));
}