diff --git a/validations_libs/tests/cli/fakes.py b/validations_libs/tests/cli/fakes.py
index 73d5a493..02df08f7 100644
--- a/validations_libs/tests/cli/fakes.py
+++ b/validations_libs/tests/cli/fakes.py
@@ -13,10 +13,6 @@
 #   under the License.
 #
 
-try:
-    from unittest import mock
-except ImportError:
-    import mock
 from unittest import TestCase
 
 from validations_libs.cli import app
diff --git a/validations_libs/tests/cli/test_colors.py b/validations_libs/tests/cli/test_colors.py
index 0176fc32..a1bce47f 100644
--- a/validations_libs/tests/cli/test_colors.py
+++ b/validations_libs/tests/cli/test_colors.py
@@ -26,8 +26,8 @@ class TestColors(TestCase):
         RED = "\033[1;31m"
         GREEN = "\033[0;32m"
         CYAN = "\033[36m"
-        RESET = "\033[0;0m"
         YELLOW = "\033[0;33m"
+        self.RESET = "\033[0;0m"
 
         self.status_color = {
             'starting': CYAN,
@@ -50,7 +50,7 @@ class TestColors(TestCase):
             color = self.status_color[status]
             colored_output = colors.color_output("fizz", status=status)
             #Checking reset color
-            self.assertEqual(colored_output[-6:], '\033[0;0m')
+            self.assertEqual(colored_output[-6:], self.RESET)
             #Checking output color
             self.assertEqual(colored_output[:len(color)], color)
             #Checking output string
@@ -61,7 +61,7 @@ class TestColors(TestCase):
         color = self.status_color['UNKNOWN']
         colored_output = colors.color_output("buzz")
         #Checking reset color
-        self.assertEqual(colored_output[-6:], '\033[0;0m')
+        self.assertEqual(colored_output[-6:], self.RESET)
         #Checking output color
         self.assertEqual(colored_output[:len(color)], color)
         #Checking output string
diff --git a/validations_libs/tests/cli/test_history.py b/validations_libs/tests/cli/test_history.py
index 64cd9d8a..c5b98639 100644
--- a/validations_libs/tests/cli/test_history.py
+++ b/validations_libs/tests/cli/test_history.py
@@ -16,7 +16,6 @@ try:
     from unittest import mock
 except ImportError:
     import mock
-from unittest import TestCase
 
 from validations_libs.cli import history
 from validations_libs.tests import fakes
diff --git a/validations_libs/tests/cli/test_list.py b/validations_libs/tests/cli/test_list.py
index 1a5ad41c..b0912209 100644
--- a/validations_libs/tests/cli/test_list.py
+++ b/validations_libs/tests/cli/test_list.py
@@ -16,7 +16,6 @@ try:
     from unittest import mock
 except ImportError:
     import mock
-from unittest import TestCase
 
 from validations_libs.cli import lister
 from validations_libs.tests import fakes
diff --git a/validations_libs/tests/cli/test_run.py b/validations_libs/tests/cli/test_run.py
index c4bca8c3..afce1b8a 100644
--- a/validations_libs/tests/cli/test_run.py
+++ b/validations_libs/tests/cli/test_run.py
@@ -18,7 +18,6 @@ try:
     from unittest import mock
 except ImportError:
     import mock
-from unittest import TestCase
 
 from validations_libs.cli import run
 from validations_libs.tests import fakes
diff --git a/validations_libs/tests/cli/test_show.py b/validations_libs/tests/cli/test_show.py
index b9915fa6..31d7ae64 100644
--- a/validations_libs/tests/cli/test_show.py
+++ b/validations_libs/tests/cli/test_show.py
@@ -16,7 +16,6 @@ try:
     from unittest import mock
 except ImportError:
     import mock
-from unittest import TestCase
 
 from validations_libs.cli import show
 from validations_libs.tests import fakes