Negative test — a position-scoped source on a placement that supplies no position.
positions
active
type
placement
title
source
periods
card
after-position-list-summary
Board
position.activity
today
last-7-days
previous-month
Board (invalid context)
Purpose
Deliberately wrong, and kept so the refusal stays tested. position.activity
needs one position to read; after-position-list-summary renders once above the
grid with no position in context. Saving this must be refused with a message that
names both halves of the mismatch.
