Redis related cleanup for test suite
Redis related cleanup for test suite

alphagov/trade-tariff-backend,leftees/trade-tariff-backend,leftees/trade-tariff-backend,alphagov/trade-tariff-backend,leftees/trade-tariff-backend,bitzesty/trade-tariff-backend,bitzesty/trade-tariff-backend,bitzesty/trade-tariff-backend,alphagov/trade-tariff-backend