I04_1-168: undo change of system test file in previous commit

Author: IsabellaRey

tests/system_tests/system_tests.py

@@ -36,7 +36,7 @@
 
 CONFIG_FILE = "../config.ini"
 # TODO: restore the four commented lines below
-# OPTIONS = BarcodeConfig(DEFAULT_CONFIG_FILE)
+# OPTIONS = BarcodeConfig(CONFIG_FILE)
 
 # STORE = Store(OPTIONS.store_directory.value(), OPTIONS)