implement database sessions for test factories

tests/factories.py

@@ -8,27 +8,36 @@ from atst.models.user import User
 from atst.models.role import Role
 
 
-class RequestFactory(factory.Factory):
+class RequestFactory(factory.alchemy.SQLAlchemyModelFactory):
+
     class Meta:
         model = Request
 
     id = factory.Sequence(lambda x: uuid4())
 
-class PENumberFactory(factory.Factory):
+
+class PENumberFactory(factory.alchemy.SQLAlchemyModelFactory):
+
     class Meta:
         model = PENumber
 
-class TaskOrderFactory(factory.Factory):
+
+class TaskOrderFactory(factory.alchemy.SQLAlchemyModelFactory):
+
     class Meta:
         model = TaskOrder
 
-class RoleFactory(factory.Factory):
+
+class RoleFactory(factory.alchemy.SQLAlchemyModelFactory):
+
     class Meta:
         model = Role
 
     permissions = []
 
-class UserFactory(factory.Factory):
+
+class UserFactory(factory.alchemy.SQLAlchemyModelFactory):
+
     class Meta:
         model = User