nixos/snapper/test: fix, make compliant with new config scheme

Changed files
+1 -1
nixos
tests
+1 -1
nixos/tests/snapper.nix
···
fsType = "btrfs";
};
};
-
services.snapper.configs.home.subvolume = "/home";
+
services.snapper.configs.home.SUBVOLUME = "/home";
services.snapper.filters = "/nix";
};