diff --git a/addons/account/tests/test_tax.py b/addons/account/tests/test_tax.py
index 9a0c51742c8ec88c56f56138e164bf7427c5b93d..47e645351bb41e6ce493413b196aaa3f8f704c02 100644
--- a/addons/account/tests/test_tax.py
+++ b/addons/account/tests/test_tax.py
@@ -4,11 +4,11 @@ from odoo.tests import tagged
 
 
 @tagged('post_install', '-at_install')
-class TestTax(AccountTestUsersCommon):
+class TestTaxCommon(AccountTestUsersCommon):
 
     @classmethod
     def setUpClass(cls):
-        super(TestTax, cls).setUpClass()
+        super(TestTaxCommon, cls).setUpClass()
 
         cls.fixed_tax = cls.tax_model.create({
             'name': "Fixed tax",
@@ -118,6 +118,14 @@ class TestTax(AccountTestUsersCommon):
             self.assertAlmostEqual(res['taxes'][i]['base'], taxes[i][0])
             self.assertAlmostEqual(res['taxes'][i]['amount'], taxes[i][1])
 
+
+@tagged('post_install', '-at_install')
+class TestTax(TestTaxCommon):
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestTax, cls).setUpClass()
+
     def test_tax_group_of_group_tax(self):
         self.fixed_tax.include_base_amount = True
         res = self.group_of_group_tax.compute_all(200.0)
diff --git a/addons/account_tax_python/tests/test_tax.py b/addons/account_tax_python/tests/test_tax.py
index 7b09d940dd2581dda98d787b5133c502da4f5824..25c1d1929a00ef85ad691757402dc7b0e04c94b5 100644
--- a/addons/account_tax_python/tests/test_tax.py
+++ b/addons/account_tax_python/tests/test_tax.py
@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
-from odoo.addons.account.tests.test_tax import TestTax
+from odoo.addons.account.tests.test_tax import TestTaxCommon
 from odoo.tests import tagged
 
 
 @tagged('post_install', '-at_install')
-class TestTaxPython(TestTax):
+class TestTaxPython(TestTaxCommon):
 
     @classmethod
     def setUpClass(cls):