HACKING: Fix a typo

Signed-off-by: Niels Thykier <niels@thykier.net>
dpu: Add exception (and raise) exception on invalid context

Signed-off-by: Niels Thykier <niels@thykier.net>
Add missing key/value to suite context.json

Signed-off-by: Niels Thykier <niels@thykier.net>