addTo(idOrPath, test) {
        const chunk = this.find(idOrPath);

        if (Array.isArray(test)) {
            test = this._checkAllTests(test);
        }

        if (chunk.test) {
            test = this._checkAnyTests([chunk.test, test]);
        }

        chunk.test = test;

        return this;
    }
@param {string} idOrPath
@param {ChunkTest|ChunkTest[]} test