In my efforts to fix all Calibre tests, this test would always complain about
backports.functools_lru_cache not existing even after I packaged and added
python2-soupsieve as an input and confirmed it was in the
PYTHONPATH. Currently Calibre does not actually use it for anything other than
testing it's there, so I assume they will start using it in future Calibre
versions.

From 2738dd42caebe55326c76922a12ba8740bdb22e7 Mon Sep 17 00:00:00 2001
From: Brendan Tildesley <mail@brendan.scot>
Date: Sat, 27 Apr 2019 00:42:39 +1000
Subject: [PATCH] Remove test_bs4

---
 src/calibre/test_build.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/calibre/test_build.py b/src/calibre/test_build.py
index 73f1172e8c..07bdffd3e5 100644
--- a/src/calibre/test_build.py
+++ b/src/calibre/test_build.py
@@ -73,10 +73,6 @@ class BuildTest(unittest.TestCase):
         from html5_parser import parse
         parse('<p>xxx')
 
-    def test_bs4(self):
-        import soupsieve, bs4
-        del soupsieve, bs4
-
     def test_zeroconf(self):
         if ispy3:
             import zeroconf as z, ifaddr
-- 
2.21.0

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<div class='path'>path: <a href='/guix/log/?id=5b9b23d2cdc6b18569887174c060e79c16efc2e1'>root</a>/<a href='/guix/log/tests?id=5b9b23d2cdc6b18569887174c060e79c16efc2e1'>tests</a>/<a href='/guix/log/tests/guix-gc.sh?id=5b9b23d2cdc6b18569887174c060e79c16efc2e1'>guix-gc.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-gc.sh?id=5b9b23d2cdc6b18569887174c060e79c16efc2e1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/tests/guix-gc.sh?id=37dd69b44511dc73eb04bdebe8d82c9a0386338e'>tests: Fix checks for expected failures.</a><span class='msg-avail'>...<span class='msg-tooltip'>Addresses &lt;https://issues.guix.gnu.org/62406&gt;.

With 'set -e', a return status inverted with '!' does not cause the shell to
exit immediately.  Instead use '&amp;&amp; false' to indicate an expected failure.

* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh,
tests/guix-environment-container.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-home.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh, tests/guix-refresh.sh, tests/guix-shell.sh,
tests/guix-style.sh, tests/guix-system.sh: Replace uses of '! ...' with
'... &amp;&amp; false' or `test ! ...` as appropriate.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Eric Bavier</td></tr>