Update t/cli.c

Co-authored-by: Kazuho Oku <kazuhooku@gmail.com>
diff --git a/t/cli.c b/t/cli.c
index b02594c..e9cac24 100644
--- a/t/cli.c
+++ b/t/cli.c
@@ -555,7 +555,7 @@
         int is_dash = !strcmp(raw_pub_key_file, "-");
         if (is_server) {
             ctx.certificates.list = malloc(sizeof(*ctx.certificates.list));
-            load_raw_public_key(ctx.certificates.list, is_dash ? cert_location : raw_pub_key_file);
+            load_raw_public_key(ctx.certificates.list, cert_location);
             ctx.certificates.count = 1;
         } else if (!is_dash) {
             ptls_iovec_t raw_pub_key;