Merge ~smoser/cloud-init:fix/fake-extended-tempfile-cleanup into cloud-init:master

[Scott Moser]

tests: remove a temp file used in bootcmd tests.

The bootcmd test was leaving files in the tmpdir named
 ci-FakeExtendedTempFile.XXXXXX.

This cleans those up.

[Chad Smith (chad.smith)]

+1 on this

review: Approve

[Server Team CI bot (server-team-bot)]

PASSED: Continuous integration, rev:79ce0a234584a50b1c6e2b664b9ccf7a5d1fca58
https://jenkins.ubuntu.com/server/job/cloud-init-ci/341/
Executed test runs:
    SUCCESS: Checkout
    SUCCESS: Unit & Style Tests
    SUCCESS: Ubuntu LTS: Build
    SUCCESS: Ubuntu LTS: Integration
    SUCCESS: MAAS Compatability Testing
    IN_PROGRESS: Declarative: Post Actions

Click here to trigger a rebuild:
https://jenkins.ubuntu.com/server/job/cloud-init-ci/341/rebuild

review: Approve (continuous-integration)

diff --git a/tests/unittests/test_handler/test_handler_bootcmd.py b/tests/unittests/test_handler/test_handler_bootcmd.py
index 580017e..dbf43e0 100644
--- a/tests/unittests/test_handler/test_handler_bootcmd.py
+++ b/tests/unittests/test_handler/test_handler_bootcmd.py
@@ -29,6 +29,7 @@ class FakeExtendedTempFile(object):
 
     def __exit__(self, exc_type, exc_value, traceback):
         self.handle.close()
+        util.del_file(self.handle.name)
 
 
 class TestBootcmd(CiTestCase):