stable-1-2 tests failures if $PWD is too long and/or LANG=C

These are the 3 tests failing:

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[ERROR]: tests.syncdaemon.test_fileshelf.CachedFileShelfTests.test_endless_borken_backups

Traceback (most recent call last):
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/tests/syncdaemon/test_fileshelf.py", line 209, in test_endless_borken_backups
    open(path+'.old', 'w').close()
exceptions.IOError: [Errno 36] File name too long: '/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/_trial_temp/tmp/tests.syncdaemon.test_fileshelf/CachedFileShelfTests/test_endless_borken_backups/shelf/f/o/o/foo.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old'
===============================================================================
[ERROR]: tests.syncdaemon.test_fileshelf.TestFileShelf.test_endless_borken_backups

Traceback (most recent call last):
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/tests/syncdaemon/test_fileshelf.py", line 209, in test_endless_borken_backups
    open(path+'.old', 'w').close()
exceptions.IOError: [Errno 36] File name too long: '/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/_trial_temp/tmp/tests.syncdaemon.test_fileshelf/TestFileShelf/test_endless_borken_backups/shelf/f/o/o/foo.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old.old'
===============================================================================
[ERROR]: tests.syncdaemon.test_dbus.FolderTests.test_create

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/twisted/internet/gtk2reactor.py", line 264, in _doReadOrWrite
    why = source.doRead()
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/ubuntuone/syncdaemon/event_queue.py", line 656, in doRead
    notifier.process_events()
  File "/usr/lib/pymodules/python2.6/pyinotify.py", line 1136, in process_events
    self._default_proc_fun(revent)
  File "/usr/lib/pymodules/python2.6/pyinotify.py", line 811, in __call__
    return _ProcessEvent.__call__(self, event)
  File "/usr/lib/pymodules/python2.6/pyinotify.py", line 544, in __call__
    return meth(event)
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/ubuntuone/syncdaemon/event_queue.py", line 288, in process_IN_DELETE
    self._unwatch_ancestors(deleted_udfs)
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/ubuntuone/syncdaemon/event_queue.py", line 308, in _unwatch_ancestors
    self.eq.inotify_rm_watch(ancestor)
  File "/home/guillermo/canonical/ubuntuone-client/u1sdtool_fix_list-folders_subscribed-stable-1-2/ubuntuone/syncdaemon/event_queue.py", line 678, in inotify_rm_watch
    raise ValueError("The path %r is not watched right now!" % dirpath)
exceptions.ValueError: The path '/home/guillermo/canonical' is not watched right now!