public void HerbivoreLosesWeightTest()
{
/*Description*/
var rng = new Random();
var testHerb = new Herbivore(rng);
var presetWeight = 100;
testHerb.Weight = presetWeight;
testHerb.UpdateWeight();
var amountToLose = presetWeight * testHerb.Params.Eta;
Assert.True(presetWeight > testHerb.Weight);
Assert.True(presetWeight - testHerb.Weight == amountToLose);
}