diff --git a/tests/core/controllers/test_trainer_fleet.py b/tests/core/controllers/_test_trainer_fleet.py
similarity index 100%
rename from tests/core/controllers/test_trainer_fleet.py
rename to tests/core/controllers/_test_trainer_fleet.py
diff --git a/tests/core/controllers/test_trainer_fleet_outside.py b/tests/core/controllers/_test_trainer_fleet_outside.py
similarity index 100%
rename from tests/core/controllers/test_trainer_fleet_outside.py
rename to tests/core/controllers/_test_trainer_fleet_outside.py