deploy grocy: True  (30 s)
    grocy: signed in with the box's generated password
    grocy: POST /api/objects/products http=200 :: {"created_object_id":"1"}
    grocy: POST /api/stock/products/1/add http=200
    grocy: readback http=200 found=True (controls: no cookie 401, wrong 401, absent 404)
C1 seed reads back BEFORE: True
deploy grocy: True  (30 s)
    grocy: signed in with the box's generated password
    grocy: POST /api/objects/products http=200 :: {"created_object_id":"1"}
    grocy: POST /api/stock/products/1/add http=200
    grocy: readback http=200 found=True (controls: no cookie 401, wrong 401, absent 404)
C1 seed reads back BEFORE: True
