code: function NodePO(id) {
      this.id = id;
      this.g = `#${this.id}`;
      this.path = `#${this.id} > path`;
      this.text = `#${this.id} > text`;
      this.image = `#${this.id} > image`;
  
      this.getPath = () => cy.get(this.path);
      this.getLabel = () => cy.get(this.text);
      this.getColor = () => cy.get(this.path).invoke("attr", "fill");
      this.getFontSize = () => cy.get(this.text).invoke("attr", "font-size");
      this.getFontWeight = () => cy.get(this.text).invoke("attr", "font-weight");
      this.getImage = () => cy.get(this.image);
      this.getImageHref = () => cy.get(this.image).invoke("attr", "href");
      this.getImageWidth = () => cy.get(this.image).invoke("attr", "width");
      this.getImageHeight = () => cy.get(this.image).invoke("attr", "height");
      this.getOpacity = () => cy.get(this.path).invoke("attr", "opacity");
  }
docs: Page Object for interacting with Node component.
  @param {string} id the id of the node.
  @returns {undefined}