Script-Tools
A collection of tools written in BASH for Linux
... yumreset yumresume
newScript will create a template script file ~/.config/script-tools/scripts and open it in your prefered editor, if you'd set on in "st config"
You can either browse through the menu, or execute each script directy by using menu entrys as arguments.
Have a try with: sudo st tweak repo toggle fedora-updates-testing
BE SURE TO DISABLE IT AGAIN! ;)