Ignore DeprecationWarning in the new test

Author: vstinner

Lib/test/test_array.py

@@ -134,8 +134,10 @@ def test_typecodes_documented(self):
         self.assertEqual(sorted(documented), sorted(array.typecodes))
         for typecode, minimum_size in documented.items():
             with self.subTest(typecode=typecode):
-                self.assertGreaterEqual(array.array(typecode).itemsize,
-                                        minimum_size)
+                with warnings.catch_warnings():
+                    warnings.simplefilter('ignore', DeprecationWarning)
+                    self.assertGreaterEqual(array.array(typecode).itemsize,
+                                            minimum_size)
 
 
 # Machine format codes.