Continue to work even though the test can be named test.test_regex
these days.
diff --git a/Lib/test/test_regex.py b/Lib/test/test_regex.py
index dbc6ec3..2e2c8f6 100644
--- a/Lib/test/test_regex.py
+++ b/Lib/test/test_regex.py
@@ -1,7 +1,7 @@
 from test.test_support import verbose, sortdict
 import warnings
 warnings.filterwarnings("ignore", "the regex module is deprecated",
-                        DeprecationWarning, r'test_regex$')
+                        DeprecationWarning, __name__)
 import regex
 from regex_syntax import *