My wife and I will be sailing on the Carnival Splendor out of Sydney on November 10, boarding at noon. Current Carnival Australia policies require a rapid test within 24 hours or a PCR test within 48 hours of boarding, which will be impossible for us to get in the United States due to travel times, etc. The night before the cruise, we'll be staying at a Marriott near the harbor. Is there a good place nearby to get tested, or should we just buy two tests at a store back home in the US, pack them in our luggage, and take them the morning we board?