SIGINT is ignored in the Guix build environment.

--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -399,6 +399,8 @@
         output = self.run_tests('--fromfile', filename)
         self.check_executed_tests(output, tests)
 
+    @unittest.skipIf(True,
+        "KeyboardInterrupts do not work in the build environment")
     def test_interrupted(self):
         code = TEST_INTERRUPTED
         test = self.create_test('sigint', code=code)
@@ -416,6 +418,8 @@
                  % (self.TESTNAME_REGEX, len(tests)))
         self.check_line(output, regex)
 
+    @unittest.skipIf(True,
+        "KeyboardInterrupts do not work in the build environment")
     def test_slow_interrupted(self):
         # Issue #25373: test --slowest with an interrupted test
         code = TEST_INTERRUPTED

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<div class='path'>path: <a href='/guix/log/?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0'>root</a>/<a href='/guix/log/gnu?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0'>gnu</a>/<a href='/guix/log/gnu/system?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0'>system</a>/<a href='/guix/log/gnu/system/examples?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0'>examples</a>/<a href='/guix/log/gnu/system/examples/bare-hurd.tmpl?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0'>bare-hurd.tmpl</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/system/examples/bare-hurd.tmpl?id=92a92ce77158ba57a23cb9d0b3f1613eb755c2f0&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-07-13 18:59:02 +0200'>2023-07-13</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=09657f3ee70d232f1c7eb21d0bbef98181138a31'>services: childhurd: Bump default qemu memory to 2048MB.</a><span class='msg-avail'>...</span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2021-08-29 01:05:26 -0400'>2021-08-29</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=da4e40948326387d5bcda58783914d5f9ce8b095'>Migrate to the new 'targets' field of bootloader-configuration.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-01-19 17:16:56 +0100'>2021-01-19</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=e74baa124592428f05b17562f180469e405037f3'>system: Rename 'disk-image' command 'image'.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-10-09 23:25:33 +0200'>2020-10-09</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=16f8ea064cde3ee4ef36212cdbdef90e98ba6914'>system: hurd: Add PAM support with shadow and sudo.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-06-13 09:11:47 +0200'>2020-06-13</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=edbc067138fa417d03cbb204511d8b08b61a3d4d'>system: bare-hurd.tmpl: Add openssh-sans-x client and service.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-06-08 13:51:19 +0200'>2020-06-08</span></td><td><a href='/guix/commit/gnu/system/examples/bare-hurd.tmpl?id=59bcffa314171294278444aad4b7012abe50257a'>system: examples: Add bare-hurd.tmpl.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>