fix: rename testget_section_key to test_get_section_key

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: JacobCoffee

pydotorg/tests/test_middleware.py

@@ -26,7 +26,7 @@ def test_redirects(self):
 
 
 class GlobalSurrogateKeyTests(TestCase):
-    def testget_section_key(self):
+    def test_get_section_key(self):
         """Test section key extraction from URL paths."""
         middleware = GlobalSurrogateKey(lambda _: None)