[FIX] remove import statements for tests

base_partner_sequence/__init__.py

@@ -1,4 +1,3 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from . import models
-from . import tests

partner_multi_relation/__init__.py

@@ -1,3 +1,2 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 from . import models
-from . import tests