diff --git a/.gitignore b/.gitignore
index bcb1bb7..9e80fa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 *.pyc
 local_settings.py
 .idea/
+.cache/
+
diff --git a/nsupdate/main/_tests/test_example.py b/nsupdate/main/_tests/test_example.py
new file mode 100644
index 0000000..e7d3d1a
--- /dev/null
+++ b/nsupdate/main/_tests/test_example.py
@@ -0,0 +1,11 @@
+"""
+Tests for xxx module.
+"""
+
+
+class Tests(object):
+    def test_basic_addition(self):
+        """
+        Tests that 1 + 1 always equals 2.
+        """
+        assert 1 + 1 == 2
diff --git a/nsupdate/main/tests.py b/nsupdate/main/tests.py
deleted file mode 100644
index 501deb7..0000000
--- a/nsupdate/main/tests.py
+++ /dev/null
@@ -1,16 +0,0 @@
-"""
-This file demonstrates writing tests using the unittest module. These will pass
-when you run "manage.py test".
-
-Replace this with more appropriate tests for your application.
-"""
-
-from django.test import TestCase
-
-
-class SimpleTest(TestCase):
-    def test_basic_addition(self):
-        """
-        Tests that 1 + 1 always equals 2.
-        """
-        self.assertEqual(1 + 1, 2)