@Test
void shouldInstantiateHeatMapData() {

    when(mockScene.getHeight()).thenReturn(30.0);
    when(mockScene.getWidth()).thenReturn(60.0);
    double[][] result = Stats.instantiateHeatMapData(mockScene, 3.0);
    assertEquals(10, result.length);
    assertEquals(20, result[0].length);
}