diff --git a/tox.ini b/tox.ini
index 5d7f7044..157a51ee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,7 @@ commands =
 /usr/bin/find . -type f -name "*.pyc" -delete
 passenv =
 HOME
+ USER
 http_proxy
 HTTP_PROXY
 https_proxy
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://opendev.org/openstack/openstack-ansible-os_tempest/commit/1cb11c625aa46dfa3a119d59c7118e6f8375ee6d.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://opendev.org/openstack/openstack-ansible-os_tempest/commit/1cb11c625aa46dfa3a119d59c7118e6f8375ee6d.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>