Flaky test areas_unpowered: Kutjevo - North Colony Caves (/area/kutjevo/interior/colony_north) lacks an APC but requires power for 1 machine!

Flaky tests were detected in [this test run](https://github.com/cmss13-devs/cmss13/actions/runs/34884273601/attempts/1). This means that there was a failure that was cleared when the tests were simply restarted.
Failures:
```
areas_unpowered: Kutjevo - North Colony Caves (/area/kutjevo/interior/colony_north) lacks an APC but requires power for 1 machine!
Machine types: /obj/structure/machinery/defenses/tesla_coil at code/modules/unit_tests/areas_unpowered.dm:91
```

Start with code/modules/unit_tests/areas_unpowered.dm at line 91 and inspect the Kutjevo North Colony Caves area and its /obj/structure/machinery/defenses/tesla_coil placement. Determine whether the area configuration or the test expectation is incorrect, then rerun the areas_unpowered test repeatedly; done means the failure no longer occurs.

Written by the indexing model from the issue text.