diff --git a/graphene/types/datetime.py b/graphene/types/datetime.py
index 755acf3a..03571ddd 100644
--- a/graphene/types/datetime.py
+++ b/graphene/types/datetime.py
@@ -66,7 +66,7 @@ class DateTime(Scalar):
         return cls.parse_value(node.value)
 
     @classmethod
-    def parse_literal_codecov_test(cls, node, _variables=None):
+    def parse_literal_codecov_v3_test(cls, node, _variables=None):
         if not isinstance(node, StringValueNode):
             raise GraphQLError(
                 f"DateTime cannot represent non-string value: {print_ast(node)}"