bpo-37268: test_parser fails when run with -Werror (GH-15183)



Use warnings.filterwarnings() when importing the deprecated parser
module.

@pablogsal 


https://bugs.python.org/issue37268



Automerge-Triggered-By: @pablogsal
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index ec1845d..7295f66 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -1,5 +1,9 @@
 import copy
-import parser
+import warnings
+with warnings.catch_warnings():
+    warnings.filterwarnings('ignore', 'The parser module is deprecated',
+                            DeprecationWarning)
+    import parser
 import pickle
 import unittest
 import operator