bpo-43988: Use check disallow instantiation helper (GH-26392)

1 files changed, 4 insertions, 11 deletions

diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index ad2ed69..e419b38 100644
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -911,20 +911,13 @@ class HashLibTestCase(unittest.TestCase):
             for constructor in constructors:
                 h = constructor()
                 with self.subTest(constructor=constructor):
-                    hash_type = type(h)
-                    self.assertRaises(TypeError, hash_type)
+                    support.check_disallow_instantiation(self, type(h))
 
     @unittest.skipUnless(HASH is not None, 'need _hashlib')
-    def test_hash_disallow_instanciation(self):
+    def test_hash_disallow_instantiation(self):
         # internal types like _hashlib.HASH are not constructable
-        with self.assertRaisesRegex(
-            TypeError, "cannot create '_hashlib.HASH' instance"
-        ):
-            HASH()
-        with self.assertRaisesRegex(
-            TypeError, "cannot create '_hashlib.HASHXOF' instance"
-        ):
-            HASHXOF()
+        support.check_disallow_instantiation(self, HASH)
+        support.check_disallow_instantiation(self, HASHXOF)
 
     def test_readonly_types(self):
         for algorithm, constructors in self.constructors_to_test.items():