The Flying Fijians won their third straight Pacific Nations Cup title in July and secured the Oceania One berth for the 2019 World Cup, putting them in Pool D alongside Australia, Wales, Georgia and a qualifier.
The ninth-ranked Fijians also chalked up major victories on home soil against Six Nations duo Italy and Scotland but McKee is wanting to see that form replicated on the road.
"We set ourselves a good high benchmark across those tests earlier in the year but the important thing now is to step up to another level in November," he said.