Fix typo

Author: HarHarLinks

Lib/test/test_inspect/test_inspect.py

@@ -5240,7 +5240,7 @@ def test_signature_definition_order_preserved_on_kwonly(self):
         l = list(signature.parameters)
         self.assertEqual(l, unsorted_keyword_only_parameters)
 
-    def test_signater_parameters_is_ordered(self):
+    def test_signature_parameters_is_ordered(self):
         p1 = inspect.signature(lambda x, y: None).parameters
         p2 = inspect.signature(lambda y, x: None).parameters
         self.assertNotEqual(p1, p2)