diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 726656071496..b019882900dc 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -165,6 +165,10 @@ let # Do it again to make sure it's idempotent. $machine->succeed("nixos-install >&2"); + $machine->succeed("umount /mnt/boot || true"); + $machine->succeed("umount /mnt"); + $machine->succeed("sync"); + $machine->shutdown; # Now see if we can boot the installation.