tests: Update Debian image for foreign install test to Debian 13.

* guix/tests/foreign.scm (debian-12-qcow2): rename to debian-13-qcow2.
  (debian-13-qcow2): new URL and checksum.
  (%test-debian-install): use new variable.
  (%test-debian-install): add comment on possible test failures.

Change-Id: I0eb241b5c88f73a822edb20815fe09f8c76a2b6b
Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

1 files changed, 7 insertions, 4 deletions

diff --git a/gnu/tests/foreign.scm b/gnu/tests/foreign.scm
index 52ead49a240..984a03e16f8 100644
--- a/gnu/tests/foreign.scm
+++ b/gnu/tests/foreign.scm
@@ -272,24 +272,27 @@ partition of IMAGE is expected to be on DEVICE."
                                  #:localstatedir? #t)))
     (gexp->derivation name (test tarball))))
 
-(define debian-12-qcow2
+(define debian-13-qcow2
   ;; Image taken from <https://www.debian.org/distrib/>.
   ;; XXX: Those images are periodically removed from debian.org.
   (origin
     (uri
-     "https://cloud.debian.org/images/cloud/bookworm/20250210-2019/debian-12-nocloud-amd64-20250210-2019.qcow2")
+     "https://cloud.debian.org/images/cloud/trixie/latest/debian-13-nocloud-amd64.qcow2")
     (method url-fetch)
     (sha256
      (base32
-      "06vlcq2dzgczlyp9lfkkdf3dgvfjp22lh5xz0mnl0bdgzq61sykb"))))
+      "0g7kcvz2yzr0xchlv5kc8d2rd2lzk4akh02i43i92cmys7q3r05c"))))
 
+;; This test starts failing when derivations in repo for GNU Hello and its dependencies
+;; differs from versions in current Guix package. The simple way to fix it is to update
+;; Guix package version.
 (define %test-debian-install
   (system-test
    (name "debian-install")
    (description
     "Test installation of Guix on Debian using the @file{guix-install.sh}
 script.")
-   (value (run-foreign-install-test debian-12-qcow2 name))))
+   (value (run-foreign-install-test debian-13-qcow2 name))))
 
 (define archlinux-qcow2
   ;; Images generated by <https://gitlab.archlinux.org/archlinux/arch-boxes>;