To verify that the killswitch works as intended, you can simulate a situation in which the killswitch should activate. You can do this in the following way:
The killswitch is is now active, and you will not have an Internet connection. To restore the killswitch and Internet connectivity, simply close the client as normal.
The killswitch is is now active, and you will not have an Internet connection. To restore the killswitch and Internet connectivity, simply close the client as normal.