This test fails because /etc/os-release is not available.

diff --git a/src/test/common/test_util.cc b/src/test/common/test_util.cc
index 64eace923c..6daf4aa514 100644
--- a/src/test/common/test_util.cc
+++ b/src/test/common/test_util.cc
@@ -32,17 +32,3 @@ TEST(util, unit_to_bytesize)
   ASSERT_EQ(65536ll, unit_to_bytesize(" 64K", &cerr));
 }
 
-#if defined(__linux__)
-TEST(util, collect_sys_info)
-{
-  map<string, string> sys_info;
-
-  CephContext *cct = (new CephContext(CEPH_ENTITY_TYPE_CLIENT))->get();
-  collect_sys_info(&sys_info, cct);
-
-  ASSERT_TRUE(sys_info.find("distro") != sys_info.end());
-  ASSERT_TRUE(sys_info.find("distro_description") != sys_info.end());
-
-  cct->put();
-}
-#endif

<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=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>refs</a><a class='active' href='/guix/log/gnu/packages/unrtf.scm'>log</a><a href='/guix/tree/gnu/packages/unrtf.scm?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>tree</a><a href='/guix/commit/gnu/packages/unrtf.scm?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>commit</a><a href='/guix/diff/gnu/packages/unrtf.scm?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/unrtf.scm'>
<input type='hidden' name='id' value='4d93a9a36c3ddc431789fa38201b0fd657412dbe'/><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=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>root</a>/<a href='/guix/log/gnu?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>gnu</a>/<a href='/guix/log/gnu/packages?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>packages</a>/<a href='/guix/log/gnu/packages/unrtf.scm?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe'>unrtf.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/unrtf.scm?id=4d93a9a36c3ddc431789fa38201b0fd657412dbe&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>