test: fix assert.strictEqual() parameter order in test-path-maklong.js

The argument order in the strictEqual check was in the wrong order.
The first argument is now the actual value and the second argument is
the expected value.

PR-URL: https://github.com/nodejs/node/pull/23587


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>