tests: Adjust snippet test to '.file_list' hack.

This is a followup to commit 140b4bc.

* tests/packages.scm ("package-source-derivation, snippet")[source]: Add
  'chmod' call for "..".

1 files changed, 4 insertions, 1 deletions

diff --git a/tests/packages.scm b/tests/packages.scm
index ace2f36f196..b28ae0b6623 100644
--- a/tests/packages.scm
+++ b/tests/packages.scm
@@ -321,7 +321,10 @@
                                 (chmod "." #o777)
                                 (symlink "guile" "guile-rocks")
                                 (copy-recursively "../share/guile/2.0/scripts"
-                                                  "scripts"))))))
+                                                  "scripts")
+
+                                ;; Make sure '.file_list' can be created.
+                                (chmod ".." #o777))))))
          (package (package (inherit (dummy-package "with-snippet"))
                     (source source)
                     (build-system trivial-build-system)