diff --git a/doc/source/contributing.rst b/doc/source/contributing.rst
index 08e28582e7469d..d304d21c5c4577 100644
--- a/doc/source/contributing.rst
+++ b/doc/source/contributing.rst
@@ -633,12 +633,7 @@ framework that will facilitate testing and developing. Thus, instead of writing
         ....
 
 Sometimes, it does make sense to bundle test functions together into a single class, either because the test file is testing multiple functions from a single module, and
-using test classes allows for better organization. However, instead of inheriting from ``tm.TestCase``, we should just inherit from ``object``:
-
-.. code-block:: python
-
-    class TestReallyCoolFeature(object):
-        ....
+using test classes allows for better organization. If test classes are used, make sure that they do inherit from ``tm.TestCase``.
 
 Using ``pytest``
 ~~~~~~~~~~~~~~~~
diff --git a/pandas/tests/test_algos.py b/pandas/tests/test_algos.py
index 86d9ab3643cc93..dda95426d80117 100644
--- a/pandas/tests/test_algos.py
+++ b/pandas/tests/test_algos.py
@@ -282,7 +282,7 @@ def test_complex_sorting(self):
         # gh 12666 - check no segfault
         # Test not valid numpy versions older than 1.11
         if pd._np_version_under1p11:
-            self.skipTest("Test valid only for numpy 1.11+")
+            pytest.skip("Test valid only for numpy 1.11+")
 
         x17 = np.array([complex(i) for i in range(17)], dtype=object)