4 Jumpers came in the kit, in one of the small plastic bags mixed in with other electrical parts, probably with the Wago connectors. They are tiny and either white or black. You'll see the same jumpers already on your Jags in the limit switch slots, although they're unobtrusive, recessed into the Jag case and hard to notice.
Here is the KOP description and the picture
You can test and work out basic concepts such as generic use of typedefs on your PC by writing your own test programs under My Computer, but if your program uses anything from the WPI Robotics Library then you'll have to have the cRIO to test it.