diff --git a/GPy/testing/meanfunc_tests.py b/GPy/testing/meanfunc_tests.py
index 40064dff..d4ec2d98 100644
--- a/GPy/testing/meanfunc_tests.py
+++ b/GPy/testing/meanfunc_tests.py
@@ -1,12 +1,11 @@
 # Copyright (c) 2015, James Hensman
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
 
-import unittest
 import numpy as np
 import GPy
 
 
-class MFtests(unittest.TestCase):
+class TestMF:
     def test_simple_mean_function(self):
         """
         The simplest possible mean function. No parameters, just a simple Sinusoid.