github.com/prebid/prebid-server@v0.275.0/adapters/smarthub/smarthubtest/supplemental (about) bad-response.json empty-seatbid-0-bid.json empty-seatbid.json invalid-ext-bidder-object.json invalid-ext-object.json status-204.json status-400.json status-503.json unexpected-status.json wrong-bidtype.json