This test tries to send a KeyboardInterrupt, which does
not work in the build environment.

--- a/test_subprocess32.py	2017-03-06 22:21:49.334045485 +0100
+++ b/test_subprocess32.py	2017-03-06 22:22:02.490439949 +0100
@@ -1299,12 +1299,6 @@
         getattr(p, method)(*args)
         return p
 
-    def test_send_signal(self):
-        p = self._kill_process('send_signal', signal.SIGINT)
-        _, stderr = p.communicate()
-        self.assertIn('KeyboardInterrupt', stderr)
-        self.assertNotEqual(p.wait(), 0)
-
     def test_kill(self):
         p = self._kill_process('kill')
         _, stderr = p.communicate()
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<tr><td><span title='2019-02-05 12:03:25 +0100'>2019-02-05</span></td><td><a href='/guix/commit/tests/status.scm?id=ba514b601ba6be15b823e0a12d4b6e42f9d2489e'>status: Keep track of the current build phase.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
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<tr><td><span title='2019-01-29 12:09:52 +0100'>2019-01-29</span></td><td><a href='/guix/commit/tests/status.scm?id=976ef2d97887d16eab8d4eb9dad811786b04d690'>status: Record more information about builds.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
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