three.js/test/unit/three.addons.unit.js

//addons/utils
import './addons/utils/BufferGeometryUtils.tests.js';
import './addons/utils/ColorUtils.tests.js';
import './addons/math/ColorSpaces.tests.js';
import './addons/curves/NURBSCurve.tests.js';
import './addons/loaders/FBXLoader.tests.js';
import './addons/loaders/HDRLoader.tests.js';
import './addons/loaders/USDLoader.tests.js';
import './addons/exporters/USDZExporter.tests.js';