public void notEnoughEnemyDamage()
{
Rulebook rulebook = new Rulebook();
Rulebook rb = rulebook;
rb.notEnoughEnemyDamageTimer = 30.0f;
rb.rulebookIsPlayerNotHitEnough = 1;
Assert.Throws <NullReferenceException>(() => rb.NotEnoughEnemyDamage());
Assert.That(rb.notEnoughEnemyDamageTimer, Is.EqualTo(0.0f));
Assert.That(rb.rulebookIsPlayerNotHitEnough, Is.EqualTo(0));
}