function loadExample(path, noPhysics) {
        include(path, this);
        const container = document.getElementById("mynetwork");

        // create a network
        const data = {
          // eslint-disable-next-line no-undef -- Imported via legacy methods.
          nodes: new DataSet(nodes),
          // eslint-disable-next-line no-undef -- Imported via legacy methods.
          edges: new DataSet(edges),
        };

        if (noPhysics) {
          // Avoid excessive processor time due to load.
          // We're just interested that the load itself is good
          // eslint-disable-next-line no-undef -- Imported via legacy methods.
          options.physics = false;
        }

        // eslint-disable-next-line no-undef -- Imported via legacy methods.
        const network = new Network(container, data, options);
        return network;
      }
Check correct opening of nested clusters.
The test uses clustering three levels deep and opens the middle one.