Added kWidget.embed readyCallback test
Added kWidget.embed readyCallback test

omridevk/mwEmbed,FlixMaster/mwEmbed,joanpuigsanz/mwEmbed,tanyaLibatter/mwEmbed,FlixMaster/mwEmbed,kaltura/mwEmbed,SVSG/mwEmbed,panda-os/mwEmbed,alexmilk/mwEmbed,abaylis/mwEmbed,FlixMaster/mwEmbed,tanyaLibatter/mwEmbed,slash851/mwEmbed,panda-os/mwEmbed,joanpuigsanz/mwEmbed,abaylis/mwEmbed,joanpuigsanz/mwEmbed,matsuu/mwEmbed,matsuu/mwEmbed,DBezemer/mwEmbed,safarijv/mwEmbed,alexmilk/mwEmbed,slash851/mwEmbed,alexmilk/mwEmbed,omridevk/mwEmbed,joanpuigsanz/mwEmbed,DBezemer/mwEmbed,kaltura/mwEmbed,bordar/mwEmbed,matsuu/mwEmbed,safarijv/mwEmbed,matsuu/mwEmbed,tanyaLibatter/mwEmbed,vladm3/mwEmbed,SVSG/mwEmbed,alexmilk/mwEmbed,slash851/mwEmbed,abaylis/mwEmbed,FlixMaster/mwEmbed,bordar/mwEmbed,omridevk/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed,bordar/mwEmbed,bordar/mwEmbed,panda-os/mwEmbed,kaltura/mwEmbed,omridevk/mwEmbed,tanyaLibatter/mwEmbed,kaltura/mwEmbed,SVSG/mwEmbed,abaylis/mwEmbed,panda-os/mwEmbed,DBezemer/mwEmbed,SVSG/mwEmbed,DBezemer/mwEmbed,vladm3/mwEmbed,slash851/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed