diff --git a/.gitignore b/.gitignore
index e70c7f1..c463a60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,5 +37,8 @@ tools/lintstack.head.py
 tools/pylint_exceptions
 *.zip
 
-#Linux swap file
+# Linux swap file
 *.swp
+
+# Tests results
+.tox
diff --git a/tox.ini b/tox.ini
index ba29b4f..5d75a15 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,3 +31,7 @@ deps=
     ipdb
     -r{toxinidir}/test-requirements.txt
 commands = python -m unittest tests.test_cicd_apps.MuranoCiCdTest.test_deploy_cicd
+
+[testenv:units]
+# FIXME!
+commands = python -m unittest unittests.test_namespaces.TestNamespaces.test_namespaces
diff --git a/unittests/__init__.py b/unittests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/unittests/test_namespaces.py b/unittests/test_namespaces.py
index 599a56e..2537507 100644
--- a/unittests/test_namespaces.py
+++ b/unittests/test_namespaces.py
@@ -2,8 +2,10 @@ import os
 import re
 import yaml
 
+import testtools
 
-class TestNamespaces():
+
+class TestNamespaces(testtools.TestCase):
     def get_list_of_classes(self):
         # TODO: should be fixed future with some common approach for all tests
         root_dir = os.path.dirname(os.path.abspath(__file__)).rsplit('/', 1)[0]
@@ -63,16 +65,7 @@ class TestNamespaces():
             for ns in self.get_namespaces(cls_name):
                 self.check_name(ns, cls_name, error_list)
 
-        if error_list:
-            error_string = "\n".join(error_list)
-            msg = "Test detects follow list of errors: \n%s" % error_string
-            raise ValueError(msg)
+        error_string = "\n".join(error_list)
+        msg = "Test detects follow list of errors: \n%s" % error_string
 
-
-def main():
-    test = TestNamespaces()
-    test.test_namespaces()
-
-# to run test just execute command:
-# python unittests/test_namespaces.py
-main()
+        self.assertEqual(0, len(error_list), msg)