[FIX] *: stop importing tests code

When loading a module, the code in the tests directories should not be
loaded.
One does not need freezegun on a server without running the tests.

closes odoo/odoo#113536

X-original-commit: 705c5d5dd9b76850638bd5d36b8395314ba78248
Related: odoo/enterprise#37481
Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

addons/hr_skills/__init__.py

@@ -5,4 +5,3 @@ from . import controllers
 from . import models
 from . import report
 from . import wizard
-from . import tests

addons/project_hr_expense/__init__.py

@@ -2,4 +2,3 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import models
-from . import tests

addons/project_sale_expense/__init__.py

@@ -2,4 +2,3 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import models
-from . import tests

addons/sale_expense_margin/__init__.py

@@ -2,4 +2,3 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import models
-from . import tests