Update and simplify classmethod/staticmethod annotate function tests

Author: dr-carlos

Lib/test/test_annotationlib.py

@@ -1618,15 +1618,15 @@ def test_callable_classmethod_annotate_forwardref_value_fallback(self):
         # supported fall back to Format.VALUE and convert to strings
         class Annotate:
             @classmethod
-            def __call__(cls, format, /, __Format=Format,
+            def format(cls, format, /, __Format=Format,
                          __NotImplementedError=NotImplementedError):
                 if format == __Format.VALUE:
                     return {"x": str}
                 else:
                     raise __NotImplementedError(format)
 
         annotations = annotationlib.call_annotate_function(
-            Annotate.__call__,
+            Annotate.format,
             Format.FORWARDREF,
         )
 
@@ -1637,15 +1637,15 @@ def test_callable_staticmethod_annotate_forwardref_value_fallback(self):
         # supported fall back to Format.VALUE and convert to strings
         class Annotate:
             @staticmethod
-            def __call__(format, /, __Format=Format,
+            def format(format, /, __Format=Format,
                          __NotImplementedError=NotImplementedError):
                 if format == __Format.VALUE:
                     return {"x": str}
                 else:
                     raise __NotImplementedError(format)
 
         annotations = annotationlib.call_annotate_function(
-            Annotate.__call__,
+            Annotate.format,
             Format.FORWARDREF,
         )