public void ToPingPong_ReturnRangeFromInput_True()
{
PingPongCount testPingPong = new PingPongCount();
Assert.AreEqual(true, testPingPong.ToPingPong("6"));
}
public void ToPingPong_ReplaceNumbersDivisibleByThreeAndFive_True()
{
PingPongCount testPingPong = new PingPongCount();
Assert.AreEqual("Ping-Pong", testPingPong.ToPingPong("15"));
}
public void ToPingPong_InputNan_True()
{
PingPongCount testPingPong = new PingPongCount();
Assert.AreEqual(false, testPingPong.ToPingPong("K"));
}