Fix string format error in DiskFile close

Add a 'get_lines_for_level' method to FakeLogger in order to actually
validate the log line format string is valid for the given args.

Change-Id: Ib2559ddf5c9d89e17c6ac08d26cc46a4193a2df2
Always format messages sent to FakeLogger

Change-Id: I0268587cce0d47b69470b7c4f9224e180fb98f77
Pep8 the functional tests (2 of 12)

Change-Id: Id8a9ae0c82052baccf8bdacd6aaeb76a76ad2ce1
Signed-off-by: Peter Portante <peter.portante@redhat.com>
Pep8 the functionalnosetests tests (3 of 12)

Change-Id: Ia88356d6d36d1c4914f706652aaac5c840a79f13
Signed-off-by: Peter Portante <peter.portante@redhat.com>
Pep8 unit test modules for hacking and one liners (4 of 12)

Address all the "hacking" lines that are flagged, and all the modules
that just have one item flagged.

Change-Id: I372a4bdf9c7748f73e38c4fd55e5954f1afade5b
Signed-off-by: Peter Portante <peter.portante@redhat.com>
Merge "Pep8 the functional tests (2 of 12)"
Merge "Fix string format error in DiskFile close"
Merge "Always format messages sent to FakeLogger"
Merge "Pep8 the functionalnosetests tests (3 of 12)"
Merge "Pep8 unit test modules for hacking and one liners (4 of 12)"