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'},
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=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>refs</a><a class='active' href='/guix/log/gnu/packages/lsof.scm'>log</a><a href='/guix/tree/gnu/packages/lsof.scm?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>tree</a><a href='/guix/commit/gnu/packages/lsof.scm?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>commit</a><a href='/guix/diff/gnu/packages/lsof.scm?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/lsof.scm'>
<input type='hidden' name='id' value='b37f005c6ba0bfddb2069ed8523eaa5cd9910531'/><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=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>root</a>/<a href='/guix/log/gnu?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>gnu</a>/<a href='/guix/log/gnu/packages?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>packages</a>/<a href='/guix/log/gnu/packages/lsof.scm?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531'>lsof.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/lsof.scm?id=b37f005c6ba0bfddb2069ed8523eaa5cd9910531&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-02-19 06:00:30 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=16cb3b8fe00500fc5d434cd761afbfb594cfd4c4'>gnu: lsof: Run tests.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-19 06:00:30 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=c2799070caf305a4c88e9a77fc36632069811f56'>gnu: lsof: Remove build timestamp.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-19 06:00:29 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=b7fd3e96c7b6ccf7f6f9949b5a263753b4fee50e'>gnu: lsof: Update phase style.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-19 06:00:29 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=57774ae150dad563767d6d573e206b45fce4683c'>gnu: lsof: Make perl a native input.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-19 06:00:28 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=cb443e55dcfdce628c0f4f81269adad9fed414d2'>gnu: lsof: Factorise source URIs.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-19 06:00:27 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=5ae76e8f167bf4d721339aeace37fdb48b3b69b2'>gnu: lsof: Replace dead mirror.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-04-29 23:41:06 +0300'>2017-04-29</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=e18e17ea4ea9172402e782d69477bf15c1c25776'>gnu: lsof: Update to 4.89.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-04-29 23:41:05 +0300'>2017-04-29</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=4ae3549f7cd57ecd09ebd957ec512dd530dc83d0'>gnu: lsof: Shorten 'install phase.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-04-29 23:25:22 +0300'>2017-04-29</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=b6ea329a32f1d1da17ff72affab2e1fe16aff51f'>gnu: lsof: Use 'modify-phases' syntax.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-04-29 23:20:47 +0300'>2017-04-29</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=d5fa9fd1fe90ad024ec5a14c21c95407e1f78441'>gnu: lsof: Add to mirror list.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>