add logging.basicConfig() to tests

run_tests.py

@@ -26,6 +26,8 @@ from nose import config
 from nose import result
 from nose import core
 
+from nova import log as logging
+
 
 class NovaTestResult(result.TextTestResult):
     def __init__(self, *args, **kw):
@@ -58,6 +60,7 @@ class NovaTestRunner(core.TextTestRunner):
 
 
 if __name__ == '__main__':
+    logging.basicConfig()
     c = config.Config(stream=sys.stdout,
                       env=os.environ,
                       verbosity=3,