Removed not used imports

This patch removes the import lines not used

test/OLItest/TestRunner.py

@@ -13,11 +13,8 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program; if not, write to the Free Software
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
-import unittest
-import logging
 import os
 import re
-import sys
 import shutil
 import subprocess
 import tempfile

test/tests/test_00_imaputil.py

@@ -19,7 +19,6 @@ import logging
 from test.OLItest import OLITestLib
 from offlineimap import imaputil
 from offlineimap.ui import UI_LIST, setglobalui
-from offlineimap.CustomConfig import CustomConfigParser
 
 
 # Things need to be setup first, usually setup.py initializes everything.

test/tests/test_01_basic.py

@@ -13,10 +13,8 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program; if not, write to the Free Software
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
-import random
 import unittest
 import logging
-import os, sys
 from test.OLItest import OLITestLib
 
 # Things need to be setup first, usually setup.py initializes everything.

test/tests/test_02_MappedIMAP.py

@@ -13,10 +13,8 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program; if not, write to the Free Software
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
-import random
 import unittest
 import logging
-import os, sys
 from test.OLItest import OLITestLib
 
 # Things need to be setup first, usually setup.py initializes everything.