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
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<tr><td><span title='2021-05-29 21:25:13 -0700'>2021-05-29</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=d7d6c9e4e697c33634c89628d10995d0f070db96'>gnu: bootloader: Fix install-allwinner64-u-boot.</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2021-02-08 17:21:34 -0800'>2021-02-08</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=a65c935e29766940148d52b8116634b1e1cbcba6'>gnu: bootloader: Update install-allwinner64-u-boot.</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2021-02-08 07:18:41 -0800'>2021-02-08</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=15990546a5c26742fcbc7f7aa56b2a6db09dc643'>gnu: u-boot-puma-rk3399: Switch to using arm-trusted-firmware-rk3399.</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2020-10-05 11:10:35 +0200'>2020-10-05</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=b97b423e3f61c80d5877dadc95b3f316cd61788f'>bootloader: Fix u-boot installation.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-04-20 19:13:35 -0700'>2020-04-20</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=5327b399a875a00304ccc1e6ece7190f26113539'>gnu: Add u-boot-pinebook-pro-rk3399.</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2020-02-02 00:37:27 +0100'>2020-02-02</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=079901d7df24d4edda8e67d0d13ce966d225208f'>gnu: Add u-boot-cubietruck-bootloader.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2019-12-14 17:41:10 +0100'>2019-12-14</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=94de8d0a7f54de4396b9a5954126460278a4c808'>gnu: Add u-boot-pine64-lts-bootloader.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>