fix: resolve CI issues

Author: YanLien

.github/workflows/qemu-x86_64.toml

@@ -16,6 +16,9 @@ args = [
   "host",
 ]
 fail_regex = ["System will reboot, press any key to continue ..."]
-success_regex = ["usertests passed!"]
+success_regex = [
+    "usertests passed!",
+    "/bin/sh: can't access tty; job control turned off",
+]
 to_bin = false
 uefi = false