diff --git a/setup.cfg b/setup.cfg
index df713260..b1d21988 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -62,7 +62,7 @@ docs =
 [tool:pytest]
 python_files = test_*.py
 # For the benefit of test_wasyncore.py
-python_classes = Test_*
+python_classes = Test*
 testpaths =
     tests
 addopts = --cov -W always
diff --git a/tests/test_wasyncore.py b/tests/test_wasyncore.py
index af9c3e55..5e0559f5 100644
--- a/tests/test_wasyncore.py
+++ b/tests/test_wasyncore.py
@@ -1140,19 +1140,19 @@ def test_quick_connect(self):  # pragma: no cover
             join_thread(t, timeout=TIMEOUT)
 
 
-class TestAPI_UseIPv4Sockets(BaseTestAPI):
+class BaseTestAPI_UseIPv4Sockets(BaseTestAPI):
     family = socket.AF_INET
     addr = (HOST, 0)
 
 
 @unittest.skipUnless(IPV6_ENABLED, "IPv6 support required")
-class TestAPI_UseIPv6Sockets(BaseTestAPI):
+class BaseTestAPI_UseIPv6Sockets(BaseTestAPI):
     family = socket.AF_INET6
     addr = (HOSTv6, 0)
 
 
 @unittest.skipUnless(HAS_UNIX_SOCKETS, "Unix sockets required")
-class TestAPI_UseUnixSockets(BaseTestAPI):
+class BaseTestAPI_UseUnixSockets(BaseTestAPI):
     if HAS_UNIX_SOCKETS:
         family = socket.AF_UNIX
     addr = TESTFN
@@ -1162,30 +1162,30 @@ def tearDown(self):
         BaseTestAPI.tearDown(self)
 
 
-class TestAPI_UseIPv4Select(TestAPI_UseIPv4Sockets, unittest.TestCase):
+class TestAPI_UseIPv4Select(BaseTestAPI_UseIPv4Sockets, unittest.TestCase):
     use_poll = False
 
 
 @unittest.skipUnless(hasattr(select, "poll"), "select.poll required")
-class TestAPI_UseIPv4Poll(TestAPI_UseIPv4Sockets, unittest.TestCase):
+class TestAPI_UseIPv4Poll(BaseTestAPI_UseIPv6Sockets, unittest.TestCase):
     use_poll = True
 
 
-class TestAPI_UseIPv6Select(TestAPI_UseIPv6Sockets, unittest.TestCase):
+class TestAPI_UseIPv6Select(BaseTestAPI_UseIPv6Sockets, unittest.TestCase):
     use_poll = False
 
 
 @unittest.skipUnless(hasattr(select, "poll"), "select.poll required")
-class TestAPI_UseIPv6Poll(TestAPI_UseIPv6Sockets, unittest.TestCase):
+class TestAPI_UseIPv6Poll(BaseTestAPI_UseIPv6Sockets, unittest.TestCase):
     use_poll = True
 
 
-class TestAPI_UseUnixSocketsSelect(TestAPI_UseUnixSockets, unittest.TestCase):
+class TestAPI_UseUnixSocketsSelect(BaseTestAPI_UseUnixSockets, unittest.TestCase):
     use_poll = False
 
 
 @unittest.skipUnless(hasattr(select, "poll"), "select.poll required")
-class TestAPI_UseUnixSocketsPoll(TestAPI_UseUnixSockets, unittest.TestCase):
+class TestAPI_UseUnixSocketsPoll(BaseTestAPI_UseUnixSockets, unittest.TestCase):
     use_poll = True