QA WAR - quickly switching realms causes 400 from gateway

[cdhanna]

failed to fetch realms err=[Failed to get realm data due to error: Cli. method=[get] uri=[/basic/realms/admin/customer] code=[400] payload=[{"status":400,"service":"gateway","error":"RequestContextNotFoundExceptionForAlias","message":"no customer found for "}]]

[DiasAtBeamable]

Tried it a few times and couldn't reproduce it.