Fix goto tests.

jedi/evaluate/iterable.py

@@ -68,6 +68,8 @@ class SpecialMethodFilter(DictFilter):
     classes like Generator (for __next__, etc).
     """
     class SpecialMethodName(AbstractNameDefinition):
+        api_type = 'function'
+
         def __init__(self, parent_context, string_name, callable_, builtin_context):
             self.parent_context = parent_context
             self.string_name = string_name