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

--- thefuck-3.15/tests/test_conf.py
+++ thefuck-3.15/tests/test_conf.py
@@ -12,7 +12,7 @@
 
 @pytest.fixture
 def environ(monkeypatch):
-    data = {}
+    data = {"HOME": os.environ.get("HOME")}
     monkeypatch.setattr('thefuck.conf.os.environ', data)
     return data
 
'><a href='/'><img src='https://git.koszko.org/cgit-static/cgit.png' alt='cgit logo'/></a></td>
<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='a827905302705ac2d7e75a24e9b796a59889403b'/><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=a827905302705ac2d7e75a24e9b796a59889403b'>refs</a><a class='active' href='/guix/log/build-aux/compile-all.scm'>log</a><a href='/guix/tree/build-aux/compile-all.scm?id=a827905302705ac2d7e75a24e9b796a59889403b'>tree</a><a href='/guix/commit/build-aux/compile-all.scm?id=a827905302705ac2d7e75a24e9b796a59889403b'>commit</a><a href='/guix/diff/build-aux/compile-all.scm?id=a827905302705ac2d7e75a24e9b796a59889403b'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/build-aux/compile-all.scm'>
<input type='hidden' name='id' value='a827905302705ac2d7e75a24e9b796a59889403b'/><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=a827905302705ac2d7e75a24e9b796a59889403b'>root</a>/<a href='/guix/log/build-aux?id=a827905302705ac2d7e75a24e9b796a59889403b'>build-aux</a>/<a href='/guix/log/build-aux/compile-all.scm?id=a827905302705ac2d7e75a24e9b796a59889403b'>compile-all.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/build-aux/compile-all.scm?id=a827905302705ac2d7e75a24e9b796a59889403b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-06-23 23:35:27 +0200'>2021-06-23</span></td><td><a href='/guix/commit/build-aux/compile-all.scm?id=ef82ba9dd94369926eb13325d5e7da4306d23dd7'>build: Makefile splits Scheme compilation in four steps.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/48963&gt;.
Reported by Julien Lepiller &lt;julien@lepiller.eu&gt;.

This reduces peak memory consumption to something less unreasonable.

* Makefile.am (make-go): Depend on 'make-*-go' targets; remove body.
(guile-compilation-rule): New function.
(MODULES_CORE, MODULES_PACKAGES, MODULES_SYSTEM, MODULES_CLI): New
variables.
&lt;top level&gt;: Call 'guile-compilation-rule' 4 times.
* build-aux/compile-all.scm &lt;top level&gt;: Expect "--total" and
"--processed".  Take them into account when displaying progress
reports.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-06-18 14:18:06 +0200'>2021-06-18</span></td><td><a href='/guix/commit/build-aux/compile-all.scm?id=003728cfab907be5df1411c5faaf466a2b8d5ba2'>build: Remove Guile 2.2 workaround.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/compile-all.scm &lt;top level&gt;: Remove Guile 2.2 workaround.
</span></span></td><td>Ludovic Courtès</td></tr>