update tests to use "get" instead of "object" for jquery notation
update tests to use "get" instead of "object" for jquery notation

soomin-maeng/cytoscape.js,KonstantinShemyak/cytoscape.js,cytoscape/cytoscape.js,rlugojr/cytoscape.js,rlugojr/cytoscape.js,cytoscape/cytoscape.js,soomin-maeng/cytoscape.js,KonstantinShemyak/cytoscape.js