If you find yourself explicitly testing a third-party library, you are most definitely not writing an integration test by any common definition (maybe you rando

If you find yourself explicitly testing a third-party library, you are most definitely not writing an integration test by any common definition (maybe you randomly created your own?). Third-party libraries are not exposed at the integration points. If they were, what are you writing software for? The work would already done by that third-party, leaving your efforts to be entirely pointless! You may incidentally test a third-party library when you test your integrations, but that's something else entirely, as has already been discussed.