improve testpage
improve testpage

kaltura/mwEmbed,kaltura/mwEmbed,kaltura/mwEmbed,FlixMaster/mwEmbed,alexmilk/mwEmbed,omridevk/mwEmbed,kaltura/mwEmbed,FlixMaster/mwEmbed,omridevk/mwEmbed,alexmilk/mwEmbed,FlixMaster/mwEmbed,alexmilk/mwEmbed,FlixMaster/mwEmbed,omridevk/mwEmbed,alexmilk/mwEmbed,omridevk/mwEmbed