public void test_CheckLevelUpdateByScores()
{
// bounds checking
Assert.AreEqual(score.GetLevel(), 0);
score.IncreaseScores(19);
Assert.AreEqual(score.GetLevel(), 0);
score.IncreaseScores(20);
Assert.AreEqual(score.GetLevel(), 1); //19+20=39
score.IncreaseScores(21);
Assert.AreEqual(score.GetLevel(), 3); //19+20+21=60
}
