Auction Running with URLs with Same Site But Different Origin

Here we verify that the browser will error if you attempt to run an auction with a different origin for decisionLogicURL than for the seller.

Conclusion: indeed, we cannot.

Client Code

          
            const myGroup = {
              'owner': 'https://www.privacy-sandbox-testing-one.com/',
              'name': 'womens-running-shoes',
              'biddingLogicUrl': 'https://www.privacy-sandbox-testing-one.com/biddingfunction.js', // function(hiddenIGStuff) { return bids; }
              'ads': [{renderUrl: 'https://creative.nike.com/creative?id=23'}],
              'trustedBiddingSignalsURL': 'https://www.privacy-sandbox-testing-one.com/buyer-kv-call', // adnxs target is 
              'trustedBiddingSignalsKeys': ['TennisLover', 'Federer4Ever'],
              'lifetimeMs': 3600
            };
            await navigator.joinAdInterestGroup(myGroup);
            const myAuctionConfig = {
                'seller': 'https://www.privacy-sandbox-testing-one.com/',
                'decisionLogicURL':  'https://auctions.privacy-sandbox-testing-one.com/scoreads.js',
                'interestGroupBuyers': ['https://www.privacy-sandbox-testing-one.com/'],
                'auctionSignals': {'a': 'lkj'},
                'trustedScoringSignalsURL': 'https://www.privacy-sandbox-testing-one.com/seller-kv-call'
            };
            const result = await navigator.runAdAuction(myAuctionConfig);
          
        

Result

You can see the result for the current page load in the console; expected result image is below.