public void _Terrain_Dimensions_Match_Heightmap_Samples_Array_Dimensions()
        {
            _heightmapProcessor.GetHeightmapSamples(Arg.Any <Texture2D>())
            .Returns(new float[3, 5]);

            _terrainDeformer.Deform();

            Assert.AreEqual(3, _terrain.terrainData.size.x);
            Assert.AreEqual(5, _terrain.terrainData.size.z);
        }