diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py
index 72a7fbba..b2572276 100644
--- a/tests/unit/__init__.py
+++ b/tests/unit/__init__.py
@@ -1,13 +1 @@
-"""Dependency injector unittests."""
-
-import unittest2 as unittest
-
-from dependency_injector import VERSION
-
-
-class VersionTest(unittest.TestCase):
-    """Version constant tests."""
-
-    def test_version_follows_semantic_versioning(self):
-        """Test that version follows semantic versioning."""
-        self.assertEquals(len(VERSION.split('.')))
+"""Dependency injector unit tests."""
diff --git a/tests/unit/providers/__init__.py b/tests/unit/providers/__init__.py
index 600ac774..5ee4b909 100644
--- a/tests/unit/providers/__init__.py
+++ b/tests/unit/providers/__init__.py
@@ -1 +1 @@
-"""Dependency injector providers unittests."""
+"""Dependency injector providers unit tests."""
diff --git a/tests/unit/providers/test_base.py b/tests/unit/providers/test_base.py
index e8241371..68e284fe 100644
--- a/tests/unit/providers/test_base.py
+++ b/tests/unit/providers/test_base.py
@@ -1,4 +1,4 @@
-"""Dependency injector base providers unittests."""
+"""Dependency injector base providers unit tests."""
 
 import unittest2 as unittest
 
diff --git a/tests/unit/providers/test_callable.py b/tests/unit/providers/test_callable.py
index 315c5eb6..a9a8ec48 100644
--- a/tests/unit/providers/test_callable.py
+++ b/tests/unit/providers/test_callable.py
@@ -1,8 +1,11 @@
-"""Dependency injector callable providers unittests."""
+"""Dependency injector callable providers unit tests."""
 
 import unittest2 as unittest
 
-from dependency_injector import providers, errors
+from dependency_injector import (
+    providers,
+    errors,
+)
 
 
 class CallableTests(unittest.TestCase):
diff --git a/tests/unit/providers/test_creational.py b/tests/unit/providers/test_creational.py
index 64050288..ed13215e 100644
--- a/tests/unit/providers/test_creational.py
+++ b/tests/unit/providers/test_creational.py
@@ -1,8 +1,11 @@
-"""Dependency injector creational providers unittests."""
+"""Dependency injector creational providers unit tests."""
 
 import unittest2 as unittest
 
-from dependency_injector import providers, errors
+from dependency_injector import (
+    providers,
+    errors,
+)
 
 
 class Example(object):
diff --git a/tests/unit/providers/test_static.py b/tests/unit/providers/test_static.py
index 0dc61dc0..48bf170f 100644
--- a/tests/unit/providers/test_static.py
+++ b/tests/unit/providers/test_static.py
@@ -1,4 +1,4 @@
-"""Dependency injector static providers unittests."""
+"""Dependency injector static providers unit tests."""
 
 import unittest2 as unittest
 
diff --git a/tests/unit/providers/test_utils.py b/tests/unit/providers/test_utils.py
index b10f7f60..880e2fa5 100644
--- a/tests/unit/providers/test_utils.py
+++ b/tests/unit/providers/test_utils.py
@@ -2,8 +2,10 @@
 
 import unittest2 as unittest
 
-from dependency_injector import providers
-from dependency_injector import errors
+from dependency_injector import (
+    providers,
+    errors,
+)
 
 
 class IsProviderTests(unittest.TestCase):
diff --git a/tests/unit/test_common.py b/tests/unit/test_common.py
index 38365aa9..dfa915d3 100644
--- a/tests/unit/test_common.py
+++ b/tests/unit/test_common.py
@@ -1,4 +1,4 @@
-"""Common unittests."""
+"""Dependency injector common unit tests."""
 
 import unittest2 as unittest
 
@@ -6,8 +6,6 @@ from dependency_injector import VERSION
 
 
 class VersionTest(unittest.TestCase):
-    """Version constant tests."""
 
     def test_version_follows_semantic_versioning(self):
-        """Test that version follows semantic versioning."""
         self.assertEquals(len(VERSION.split('.')), 3)