remove unit test.

the unit test required access to /dev/console due to the logging.

tests/unittests/test_signal.py

@@ -1,47 +0,0 @@
-"""Tests for handling of signals within cloud init."""
-
-import subprocess
-import sys
-import time
-
-from StringIO import StringIO
-
-from mocker import MockerTestCase
-
-
-class TestSignal(MockerTestCase):
-
-    def test_signal_output(self):
-
-        # This is done since nose/unittest is actually setting up
-        # output capturing, signal handling itself, and its easier
-        # to just call out to cloudinit with a loop and see what the result is
-        run_what = [sys.executable,
-                    '-c',
-                    ('import time; from cloudinit import signal_handler;'
-                    'signal_handler.attach_handlers(); time.sleep(120)')]
-
-        pc_info = subprocess.Popen(run_what,
-                                   stderr=subprocess.PIPE,
-                                   stdout=subprocess.PIPE)
-
-        # Let it start up
-        time.sleep(0.5)
-        dead = None
-        while dead is None:
-            pc_info.terminate()
-            # Ok not dead yet. try again
-            time.sleep(0.5)
-            dead = pc_info.poll()
-
-        outputs = StringIO()
-        if pc_info.stdout:
-            outputs.write(pc_info.stdout.read())
-        if pc_info.stderr:
-            outputs.write(pc_info.stderr.read())
-        val = outputs.getvalue()
-
-        # Check some of the outputs that should of happened
-        self.assertEquals(1, pc_info.wait())
-        self.assertTrue(len(val) != 0)
-        self.assertTrue(val.find("terminated") != -1)