(menu-entries (list
  (menu-entry
    (label "TEST LABEL")
    (device "debian-stable")
    (linux "/boot/vmlinuz-4.19.0-14-amd64")
    (linux-arguments '("root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro quiet"))
    (initrd "/boot/initrd.img-4.19.0-14-amd64"))
  (menu-entry
    (label "TEST UUID")
    (device "2b5cc508-e2ea-4c43-a1c4-2532553af654")
    (linux "/boot/vmlinuz-4.19.0-14-amd64")
    (linux-arguments '("root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro quiet"))
    (initrd "/boot/initrd.img-4.19.0-14-amd64"))
  (menu-entry
    (label "TEST NO DEVICE")
    (linux "/boot/vmlinuz-4.19.0-14-amd64")
    (linux-arguments '("root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro single"))
    (initrd "/boot/initrd.img-4.19.0-14-amd64"))))