Changed import order

These changes close the lintian warning C0411.

test/tests/test_00_globals.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 # Copyright 2013 Eygene A. Ryabinkin
 
-from offlineimap import globals
 import unittest
+from offlineimap import globals
 
 
 class Opt:

test/tests/test_00_imaputil.py

@@ -16,11 +16,11 @@
 import unittest
 import logging
 
+from test.OLItest import OLITestLib
 from offlineimap import imaputil
 from offlineimap.ui import UI_LIST, setglobalui
 from offlineimap.CustomConfig import CustomConfigParser
 
-from test.OLItest import OLITestLib
 
 # Things need to be setup first, usually setup.py initializes everything.
 # but if e.g. called from command line, we take care of default values here: