Remove this test to verify that things were modified since a certain time.

That assumption doesn't hold up when your environment doesn't have access to a
real clock and thinks it's living in 1970 :)

--- a/tests/test_fileapp.py    2015-04-23 13:48:37.000000000 -0700
+++ b/tests/test_fileapp.py	2016-02-22 19:20:08.332802417 -0800
@@ -223,8 +223,6 @@
                   status=304)
     res = app.get('/', headers={'If-None-Match': 'asdf'},
                   status=200)
-    res = app.get('/', headers={'If-Modified-Since': 'Sat, 1 Jan 2005 12:00:00 GMT'},
-                  status=200)
     res = app.get('/', headers={'If-Modified-Since': last_mod + '; length=100'},
                   status=304)
     res = app.get('/', headers={'If-Modified-Since': 'invalid date'},
lue='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=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>refs</a><a class='active' href='/guix/log/gnu/packages/feh.scm'>log</a><a href='/guix/tree/gnu/packages/feh.scm?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>tree</a><a href='/guix/commit/gnu/packages/feh.scm?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>commit</a><a href='/guix/diff/gnu/packages/feh.scm?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/feh.scm'>
<input type='hidden' name='id' value='edf8caae6dd8db81d3dfc69470bb8921684e0f9c'/><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=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>root</a>/<a href='/guix/log/gnu?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>gnu</a>/<a href='/guix/log/gnu/packages?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>packages</a>/<a href='/guix/log/gnu/packages/feh.scm?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c'>feh.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/packages/feh.scm?id=edf8caae6dd8db81d3dfc69470bb8921684e0f9c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2015-10-05 16:28:30 +0800'>2015-10-05</span></td><td><a href='/guix/commit/gnu/packages/feh.scm?id=4a30930b84839017d93b5fc8098fd826f430f5a9'>gnu: feh: Update to 2.14.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2015-05-20 16:23:43 +0800'>2015-05-20</span></td><td><a href='/guix/commit/gnu/packages/feh.scm?id=10f366e38a27bc2bff12bf2252887a5a627df9b6'>gnu: feh: Update to 2.13.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2014-10-27 03:35:02 -0400'>2014-10-27</span></td><td><a href='/guix/commit/gnu/packages/feh.scm?id=4e2f98c5394c515a5849be3aad6d06e8ad89807b'>gnu: Add prefix to license imports in (gnu packages feh).</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2014-10-26 13:03:53 -0500'>2014-10-26</span></td><td><a href='/guix/commit/gnu/packages/feh.scm?id=35b9e4232c1b59568c9a76630251c1ea6a330ac4'>gnu: Some cleanup based on lint checkers.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2014-10-06 09:57:13 +0200'>2014-10-06</span></td><td><a href='/guix/commit/gnu/packages/feh.scm?id=b0d1f10b5ee0dacdea2bf116cb8cca64ca48d536'>gnu: Add feh.</a><span class='msg-avail'>...</span></td><td>Ian Denhardt</td></tr>