diff --git a/Lib/test/test_call.py b/Lib/test/test_call.py
index b252ca1..0bff7de 100644
--- a/Lib/test/test_call.py
+++ b/Lib/test/test_call.py
@@ -586,6 +586,8 @@
                 return super().__call__(*args)
 
         calls += [
+            (dict.update, ({},), {"key":True}, None),
+            ({}.update, ({},), {"key":True}, None),
             (MethodDescriptorHeap(), (0,), {}, True),
             (MethodDescriptorOverridden(), (0,), {}, 'new'),
             (MethodDescriptorSuper(), (0,), {}, True),
diff --git a/Lib/test/test_gdb.py b/Lib/test/test_gdb.py
index 1c5e18b..e07d327 100644
--- a/Lib/test/test_gdb.py
+++ b/Lib/test/test_gdb.py
@@ -850,10 +850,10 @@
         # called, so test a variety of calling conventions.
         for py_name, py_args, c_name, expected_frame_number in (
             ('gmtime', '', 'time_gmtime', 1),  # METH_VARARGS
-            ('len', '[]', 'builtin_len', 2),  # METH_O
-            ('locals', '', 'builtin_locals', 2),  # METH_NOARGS
-            ('iter', '[]', 'builtin_iter', 2),  # METH_FASTCALL
-            ('sorted', '[]', 'builtin_sorted', 2),  # METH_FASTCALL|METH_KEYWORDS
+            ('len', '[]', 'builtin_len', 1),  # METH_O
+            ('locals', '', 'builtin_locals', 1),  # METH_NOARGS
+            ('iter', '[]', 'builtin_iter', 1),  # METH_FASTCALL
+            ('sorted', '[]', 'builtin_sorted', 1),  # METH_FASTCALL|METH_KEYWORDS
         ):
             with self.subTest(c_name):
                 cmd = ('from time import gmtime\n'  # (not always needed)