Replace test setuptools command by unittest discover

tests/__init__.py

@@ -1,5 +0,0 @@
-# The COPYRIGHT file at the top level of this repository contains the full
-# copyright notices and license terms.
-from .test_incoterm import suite
-
-__all__ = ['suite']

tests/test_module.py

@@ -1,13 +1,14 @@
-# The COPYRIGHT file at the top level of this repository contains the full
-# copyright notices and license terms.
-import unittest
-import trytond.tests.test_tryton
+
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
 from trytond.tests.test_tryton import ModuleTestCase, with_transaction
 from trytond.pool import Pool
-from trytond.modules.company.tests import create_company, set_company
+from trytond.modules.company.tests import (CompanyTestMixin, create_company,
+    set_company)
 
 
-class IncotermTestCase(ModuleTestCase):
+class IncotermTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Incoterm module'
     module = 'incoterm'
 
@@ -38,8 +39,5 @@ class IncotermTestCase(ModuleTestCase):
             self.assertEqual(party1.incoterm, incoterm2)
             self.assertEqual(party1.incoterm_place, None)
 
-def suite():
-    suite = trytond.tests.test_tryton.suite()
-    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
-        IncotermTestCase))
-    return suite
+
+del ModuleTestCase

tests/test_scenario.py

@@ -0,0 +1,23 @@
+
+# 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 doctest
+import glob
+import os
+
+from trytond.tests.test_tryton import doctest_checker, doctest_teardown
+
+
+def load_tests(loader, tests, pattern):
+    cwd = os.getcwd()
+    try:
+        os.chdir(os.path.dirname(__file__))
+        for scenario in glob.glob('*.rst'):
+            tests.addTests(doctest.DocFileSuite(
+                    scenario, tearDown=doctest_teardown, encoding='utf-8',
+                    checker=doctest_checker,
+                    optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
+    finally:
+        os.chdir(cwd)
+    return tests