specs stub pagination on body
specs stub pagination on body

rather than on headers

alphagov/trade-tariff-admin,bitzesty/trade-tariff-admin,alphagov/trade-tariff-admin,bitzesty/trade-tariff-admin,bitzesty/trade-tariff-admin,alphagov/trade-tariff-admin,bitzesty/trade-tariff-admin,alphagov/trade-tariff-admin