public static TreeTrunkState createRandomTreeTrunkState() {
int age = Randomizer.randomBetween(0, 100);
float radius = (float) Math.random();
float height = (float) Math.random();
TreeTrunk3DState trunk3DState = DisplayDataCreatorForTests.createRandomTreeTrunk3DState();
return new TreeTrunkState(age, radius, height, trunk3DState);
}