diff --git a/src/tests/test_overall.py b/src/tests/test_overall.py
--- a/src/tests/test_overall.py
+++ b/src/tests/test_overall.py
@@ -17,7 +17,8 @@ handler=FileHandler("/tmp/morevna.log")
 handler.setFormatter(config.formatter)
 config.logger.addHandler(handler)
 
-config.batchSize=8
+config.batchSize.hash=8
+config.batchSize.data=8
 
 dataDir=os.path.join(config.directory,"src/tests/data")
 filename=os.path.join(dataDir,"test.img")