Replace test setuptools command by unittest discover

issue9215
review389851002

setup.py

@@ -141,6 +141,4 @@ setup(name=name,
     [trytond.modules]
     stock_supply_day = trytond.modules.stock_supply_day
     """,
-    test_suite='tests',
-    test_loader='trytond.test_loader:Loader',
     )

tests/__init__.py

@@ -1,10 +1,2 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
-
-try:
-    from trytond.modules.stock_supply_day.tests.test_stock_supply_day import \
-        suite  # noqa: E501
-except ImportError:
-    from .test_stock_supply_day import suite
-
-__all__ = ['suite']

tests/test_module.py

@@ -1,10 +1,8 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
-import datetime
-import unittest
-from decimal import Decimal
 
-import trytond.tests.test_tryton
+import datetime
+
 from trytond.modules.account.tests import create_chart
 from trytond.modules.company.tests import (
     CompanyTestMixin, create_company, set_company)
@@ -153,8 +151,4 @@ class StockSupplyDayTestCase(CompanyTestMixin, ModuleTestCase):
             return product_supplier
 
 
-def suite():
-    suite = trytond.tests.test_tryton.suite()
-    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
-        StockSupplyDayTestCase))
-    return suite
+del ModuleTestCase

tox.ini

@@ -3,7 +3,7 @@ envlist = {py37,py38,py39,py310}-{sqlite,postgresql}
 
 [testenv]
 commands =
-    coverage run --include=.*/stock_supply_day/* setup.py test
+    coverage run --include=.*/stock_supply_day/* -m unittest discover -s tests
     coverage report --include=.*/stock_supply_day/* --omit=*/tests/*
 deps =
     coverage