diff --git a/setup.py b/setup.py
index 8213cad..35f0ea8 100644
--- a/setup.py
+++ b/setup.py
@@ -122,7 +122,4 @@ setup(name=name,
     [trytond.modules]
     account_invoice_line_sale_info = trytond.modules.account_invoice_line_sale_info
     """,
-    test_suite='tests',
-    test_loader='trytond.test_loader:Loader',
-    tests_require=tests_require,
     )
diff --git a/tests/__init__.py b/tests/__init__.py
index 1372a6b..d70b900 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,5 +1,2 @@
 # The COPYRIGHT file at the top level of this repository contains
 # the full copyright notices and license terms.
-from .test_account_invoice_line_sale_info import suite
-
-__all__ = ['suite']
diff --git a/tests/test_account_invoice_line_sale_info.py b/tests/test_account_invoice_line_sale_info.py
deleted file mode 100644
index e854da0..0000000
--- a/tests/test_account_invoice_line_sale_info.py
+++ /dev/null
@@ -1,27 +0,0 @@
-# The COPYRIGHT file at the top level of this repository contains
-# the full copyright notices and license terms.
-import unittest
-
-import doctest
-
-from trytond.tests.test_tryton import ModuleTestCase
-from trytond.tests.test_tryton import suite as test_suite
-from trytond.tests.test_tryton import doctest_teardown
-from trytond.tests.test_tryton import doctest_checker
-
-
-class AccountInvoiceLineSaleInfoTestCase(ModuleTestCase):
-    """Test Account Invoice Line Sale Info module"""
-    module = 'account_invoice_line_sale_info'
-
-
-def suite():
-    suite = test_suite()
-    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
-            AccountInvoiceLineSaleInfoTestCase))
-    suite.addTests(doctest.DocFileSuite(
-            'scenario_account_invoice_line_sale_info.rst',
-            tearDown=doctest_teardown, encoding='utf-8',
-            checker=doctest_checker,
-            optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
-    return suite
diff --git a/tests/test_module.py b/tests/test_module.py
new file mode 100644
index 0000000..ea3e385
--- /dev/null
+++ b/tests/test_module.py
@@ -0,0 +1,11 @@
+# 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
+
+
+class AccountInvoiceLineSaleInfoTestCase(ModuleTestCase):
+    """Test Account Invoice Line Sale Info module"""
+    module = 'account_invoice_line_sale_info'
+
+
+del ModuleTestCase
diff --git a/tests/test_scenario.py b/tests/test_scenario.py
new file mode 100644
index 0000000..10388fe
--- /dev/null
+++ b/tests/test_scenario.py
@@ -0,0 +1,7 @@
+# The COPYRIGHT file at the top level of this repository contains
+# the full copyright notices and license terms.
+from trytond.tests.test_tryton import load_doc_tests
+
+
+def load_tests(*args, **kwargs):
+    return load_doc_tests(__name__, __file__, *args, **kwargs)
diff --git a/tryton.cfg b/tryton.cfg
index 5aa6f2a..ccbed37 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.0.0
+version=6.4.0
 depends:
     ir
     res