diff --git a/go/tests/rc/rc.go b/go/tests/rc/rc.go
index 2ae6397d8..9888d06ab 100644
--- a/go/tests/rc/rc.go
+++ b/go/tests/rc/rc.go
@@ -876,3 +876,16 @@ func (i *impVisitor) Visit(n ast.Node) ast.Visitor {
 	}
 	return i
 }
+
+func funcs(s *ast.Scope) []string {
+	scopeStr := s.String()
+	scp := strings.Split(scopeStr, "\n")
+	var funcs []string
+	for _, v := range scp {
+		nv := strings.TrimSpace(v)
+		if strings.HasPrefix(nv, "func ") {
+			funcs = append(funcs, strings.TrimPrefix(nv, "func "))
+		}
+	}
+	return funcs
+}