cheKeys[0].url;
      return (new URL(url)).searchParams.get("key");
    }

result, same first party: 223a5a5c-33dd-4c58-a002-fba913a186d0

result, different first party: Error: undefined is not an object (evaluating &#39;cacheKeys[0].url&#39;)

unsupported: false

passed: true

test failed: false</span>
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