diff --git a/tests/transport/test_urllib3.py b/tests/transport/test_urllib3.py
index 4d1a5a6..a119b74 100644
--- a/tests/transport/test_urllib3.py
+++ b/tests/transport/test_urllib3.py
@@ -34,13 +34,13 @@
         assert http.request.call_args[1]['timeout'] == 5
 
 
-def test__make_default_http_with_certfi():
+def test__make_default_http_with_certifi():
     http = google.auth.transport.urllib3._make_default_http()
     assert 'cert_reqs' in http.connection_pool_kw
 
 
 @mock.patch.object(google.auth.transport.urllib3, 'certifi', new=None)
-def test__make_default_http_without_certfi():
+def test__make_default_http_without_certifi():
     http = google.auth.transport.urllib3._make_default_http()
     assert 'cert_reqs' not in http.connection_pool_kw