test_restore_state_simulate failed on arm because acpi-support is not available on this architecture

[Jean-Baptiste Lallement]

apt-clone testsuite fails on ARM [1] with 1 failure:

======================================================================
FAIL: test_restore_state_simulate (__main__.TestClone)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_clone.py", line 153, in test_restore_state_simulate
    self.assertEqual(list(missing), ['accerciser'])
AssertionError: Lists differ: ['acpi-support', 'accerciser'] != ['accerciser']

First differing element 0:
acpi-support
accerciser

First list contains 1 additional elements.
First extra element 1:
accerciser

- ['acpi-support', 'accerciser']
+ ['accerciser']

----------------------------------------------------------------------

acpi-support from the clone file doesn't exist on this architecture.

[1] https://jenkins.qa.ubuntu.com/job/raring-adt-apt-clone-armhf/ARCH=armhf,label=adt&&arm/1/

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: apt-clone 0.3.1~ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
Uname: Linux 3.8.0-17-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
Date: Wed Apr 10 12:32:14 2013
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: apt-clone
UpgradeStatus: Upgraded to raring on 2012-01-31 (434 days ago)