Retain environment setting of "HOME" for tests that need os.path.expanduser()
to return a readable directory in the build chroot.

--- thefuck-3.25/tests/conftest.py
+++ thefuck-3.25/tests/conftest.py
@@ -64,6 +64,7 @@ def set_shell(monkeypatch):
 
 @pytest.fixture(autouse=True)
 def os_environ(monkeypatch):
-    env = {'PATH': os.environ['PATH']}
+    env = {'PATH': os.environ['PATH'],
+           'HOME': os.environ['HOME']}
     monkeypatch.setattr('os.environ', env)
     return env
<td class='main'><a href='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>refs</a><a class='active' href='/guix/log/gnu/services/web.scm'>log</a><a href='/guix/tree/gnu/services/web.scm?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>tree</a><a href='/guix/commit/gnu/services/web.scm?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>commit</a><a href='/guix/diff/gnu/services/web.scm?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/web.scm'>
<input type='hidden' name='id' value='3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>root</a>/<a href='/guix/log/gnu?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>gnu</a>/<a href='/guix/log/gnu/services?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>services</a>/<a href='/guix/log/gnu/services/web.scm?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2'>web.scm</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/gnu/services/web.scm?id=3349a50d700a2112a31ac4ce6cc6639d3b4cf1e2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-07-02 02:00:01 +0200'>2023-07-02</span></td><td><a href='/guix/commit/gnu/services/web.scm?id=cbc14b3baea457cf2718b85f767d39ff3911ce91'>services: nginx: Harden php-location settings.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/web.scm (nginx-php-location): Only pass existing PHP files
to the back end.  Mitigate httpoxy vulnerability.
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-04-11 12:19:01 -0400'>2023-04-11</span></td><td><a href='/guix/commit/gnu/services/web.scm?id=337e681b7a312b6910725ba553918a6a2e442f89'>services: nginx: Add reopen action.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is required to allow log file rotations using rottlog, etc.

* gnu/services/web.scm (nginx-shepherd-service): Add reopen shepherd action.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-04-11 12:19:01 -0400'>2023-04-11</span></td><td><a href='/guix/commit/gnu/services/web.scm?id=dd10ba41847fbe0251bd3cc7ffc7bb640cca7e84'>services: nginx: Make logging level configurable.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/web.scm (&lt;nginx-configuration&gt;)[log-level]: New field.
(assert-valid-log-level): New procedure.
(default-nginx-config): Make log-level configurable.
* doc/guix.texi (Web Services): Document it.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>