diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..b2c329f
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,6 @@
+try:
+    from trytond.modules.account_invoice_ar.tests.tests import suite
+except ImportError:
+    from .tests import suite
+
+__all__ = ['suite']
diff --git a/tests/tests.py b/tests/tests.py
new file mode 100644
index 0000000..51ac8b2
--- /dev/null
+++ b/tests/tests.py
@@ -0,0 +1,15 @@
+import unittest
+import trytond.tests.test_tryton
+from trytond.tests.test_tryton import ModuleTestCase
+
+
+class TestCase(ModuleTestCase):
+    'Test module'
+    module = 'account_invoice_ar'
+
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+            TestCase))
+    return suite