diff --git a/backend/tests/conftest.py b/backend/tests/conftest.py
index 3f601f19..a1335dd1 100644
--- a/backend/tests/conftest.py
+++ b/backend/tests/conftest.py
@@ -10,6 +10,9 @@ from sqlalchemy.orm import Session, sessionmaker
 # Evita errores tipo: expression 'Pedimentos' failed to locate a name.
 from api.v1.modules.a76.pedmientos.models.pedimentos import Pedimentos  # noqa: F401
 from api.v1.modules.a76.invoices.models import InvoiceHeader
+from api.v1.modules.a76.transportation.trailers.models import Trailer  # noqa: F401
+from api.v1.modules.a76.transportation.transporters.models import Transporter  # noqa: F401
+from api.v1.modules.a76.transportation.vehicles.models import Vehicle  # noqa: F401
 from api.v1.modules.a76.invoices.imports.process import routes as process_routes
 from api.v1.modules.a76.invoices.imports.process import main_process as import_main_process
 from api.v1.modules.a76.invoices.exports.process import main_process as export_main_process