e48d659bce
d146f9c flipped `club?type=equippables` from withheld to answering the KIT
family — the change that made kits render in My Club, operator-confirmed — but
it only touched src/lib.rs. `withheld_club_type_arms_are_empty_with_a_recorded_reason`
still listed that arm, so the suite asserted the exact behaviour the fix
removed. It failed on `cargo test --workspace`; the "1241 passed" figure carried
in the notes was measured before the flip and was stale.
Drops the arm from the withheld table and adds a test for what actually ships:
the tab answers, serves exactly the kit family with cardsubtypeid 9, and returns
the same body as `?type=kit`, so the two tabs cannot drift apart.
`OPENFUT_FIFA17_EQUIPPABLES=0` is deliberately not exercised: it is read through
a OnceLock, so flipping the process-wide env in one test would leak into every
other test in the binary.