diff --git a/Lib/test/output/test_extcall b/Lib/test/output/test_extcall
index 9f4ba43..87102af 100644
--- a/Lib/test/output/test_extcall
+++ b/Lib/test/output/test_extcall
@@ -27,3 +27,7 @@
 * argument must be a sequence
 ** argument must be a dictionary
 3 512 1
+3
+3
+unbound method must be called with instance as first argument
+unbound method must be called with instance as first argument