bpo-33912: Fix test_warnings when run with -Werror (GH-7839)

Add missing warning filter to test_exec_filename().

diff --git a/Lib/test/test_warnings/__init__.py b/Lib/test/test_warnings/__init__.py
index 71f6a3003414c33a1e6849bcc27d5a25300ac297..87f929f3147885c89a2220ef2e49381e821c9aca 100644 (file)
--- a/Lib/test/test_warnings/__init__.py
+++ b/Lib/test/test_warnings/__init__.py
@@ -447,6 +447,7 @@ class WarnTests(BaseTest):
                            "warnings.warn('hello', UserWarning)"),
                           filename, "exec")
         with original_warnings.catch_warnings(record=True) as w:
+            self.module.simplefilter("always", category=UserWarning)
             exec(codeobj)
         self.assertEqual(w[0].filename, filename)