diff --git a/tox.ini b/tox.ini
index 3cc6c55b..24fa8809 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,6 +30,7 @@ deps =
     -r {toxinidir}/test-requirements.txt
     -r {toxinidir}/doc/requirements.txt
 whitelist_externals = bash
+basepython = python3.8
 
 [testenv:bindep]
 # Do not install any requirements. We want this to be fast and work even if
diff --git a/validations_libs/tests/callback_plugins/test_vf_validation_json.py b/validations_libs/tests/callback_plugins/test_vf_validation_json.py
index af290969..e91ffa9e 100644
--- a/validations_libs/tests/callback_plugins/test_vf_validation_json.py
+++ b/validations_libs/tests/callback_plugins/test_vf_validation_json.py
@@ -99,11 +99,9 @@ class TestValidationJson(base.BaseTestCase):
 
     @mock.patch(
         'ansible.playbook.play.Play._uuid',
-        autospec=True,
         return_value='bar')
     @mock.patch(
         'ansible.playbook.play.Play.get_name',
-        autospec=True,
         return_value='foo')
     @mock.patch('ansible.playbook.play.Play')
     def test_new_play(self, mock_play, mock_play_name, mock_play_uuid):
@@ -117,7 +115,7 @@ class TestValidationJson(base.BaseTestCase):
         callback.env['playbook_path'] = 'buzz/fizz'
         play_dict = callback._new_play(mock_play)
         mock_play_name.assert_called_once()
-        mock_play_uuid.assert_called_once()
+        mock_play_uuid.__str__.assert_called_once()
         """
         Callback time sanity check only verifies general format
         of the stored time to be  iso format `YYYY-MM-DD HH:MM:SS.mmmmmm`
@@ -130,11 +128,9 @@ class TestValidationJson(base.BaseTestCase):
 
     @mock.patch(
         'ansible.playbook.task.Task._uuid',
-        autospec=True,
         return_value='bar')
     @mock.patch(
         'ansible.playbook.task.Task.get_name',
-        autospec=True,
         return_value='foo')
     @mock.patch('ansible.playbook.task.Task')
     def test_new_task(self, mock_task, mock_task_name, mock_task_uuid):
@@ -146,7 +142,7 @@ class TestValidationJson(base.BaseTestCase):
         callback = vf_validation_json.CallbackModule()
         task_dict = callback._new_task(mock_task)
         mock_task_name.assert_called_once()
-        mock_task_uuid.assert_called_once()
+        mock_task_uuid.__str__.assert_called_once()
         """
         Callback time sanity check only verifies general format
         of the stored time to be  iso format `YYYY-MM-DD HH:MM:SS.mmmmmm`
diff --git a/validations_libs/tests/callback_plugins/test_vf_validation_stdout.py b/validations_libs/tests/callback_plugins/test_vf_validation_stdout.py
index 7fc269cd..b22b1803 100644
--- a/validations_libs/tests/callback_plugins/test_vf_validation_stdout.py
+++ b/validations_libs/tests/callback_plugins/test_vf_validation_stdout.py
@@ -99,11 +99,9 @@ class TestValidationStdout(base.BaseTestCase):
 
     @mock.patch(
         'ansible.playbook.play.Play._uuid',
-        autospec=True,
         return_value='bar')
     @mock.patch(
         'ansible.playbook.play.Play.get_name',
-        autospec=True,
         return_value='foo')
     @mock.patch('ansible.playbook.play.Play')
     def test_new_play(self, mock_play, mock_play_name, mock_play_uuid):
@@ -119,7 +117,7 @@ class TestValidationStdout(base.BaseTestCase):
         play_dict = callback._new_play(mock_play)
 
         mock_play_name.assert_called_once()
-        mock_play_uuid.assert_called_once()
+        mock_play_uuid.__str__.called_once()
 
         """
         Callback time sanity check only verifies general format
@@ -134,11 +132,9 @@ class TestValidationStdout(base.BaseTestCase):
 
     @mock.patch(
         'ansible.playbook.task.Task._uuid',
-        autospec=True,
         return_value='bar')
     @mock.patch(
         'ansible.playbook.task.Task.get_name',
-        autospec=True,
         return_value='foo')
     @mock.patch('ansible.playbook.task.Task')
     def test_new_task(self, mock_task, mock_task_name, mock_task_uuid):
@@ -151,7 +147,7 @@ class TestValidationStdout(base.BaseTestCase):
         task_dict = callback._new_task(mock_task)
 
         mock_task_name.assert_called_once()
-        mock_task_uuid.assert_called_once()
+        mock_task_uuid.__str__.assert_called_once()
 
         """
         Callback time sanity check only verifies general format