JPMTest: explicitly disable the test

It's not run anyway, but just be explicit about it.
The cnf update that comes later will depend on this.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
cnf: upgrade to bndtools 2.1+ layout

That of bndtools 009424a

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>