python312Packages.django_5: disable failing test

With the revert of xz 5.4.6 (down from 5.6.0) this test started failing
on aarch64-linux on Python 3.12.

pkgs/development/python-modules/django/5.nix

@@ -2,6 +2,7 @@
 , stdenv
 , buildPythonPackage
 , fetchPypi
+, pythonAtLeast
 , pythonOlder
 , substituteAll
 
@@ -75,6 +76,11 @@ buildPythonPackage rec {
   postPatch = ''
     substituteInPlace tests/utils_tests/test_autoreload.py \
       --replace "/usr/bin/python" "${python.interpreter}"
+  '' + lib.optionalString (pythonAtLeast "3.12" && stdenv.hostPlatform.system == "aarch64-linux") ''
+    # Test regression after xz was reverted from 5.6.0 to 5.4.6
+    # https://hydra.nixos.org/build/254532197
+    substituteInPlace tests/view_tests/tests/test_debug.py \
+      --replace-fail "test_files" "dont_test_files"
   '';
 
   nativeBuildInputs = [