Yes you can get it there
I was offered covid test by sky harbor before traveling to Hawaii 1 month ago, by scheduled only but super expensive.
Signs are posted at the entrance to check in directing you to the testing locations. I was traveling domestic so don't know how testing is specifically apply to international travel.
I recently just visited this airport (just today) and did not see any COVID testing sights, I would recommended setting up an appointment elsewhere nearby to get tested or they will not allow you on the plane, a Covid test is mandatory to board.
I did not see any covid testing sites during my visit a few days ago however there are many testing sites nearby that I know of.
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