Fixing failing test for NSWCalibTool
Fix for the configuration problem described in the Jira ticket: https://mmm.cern.ch/owa/redir.aspx?C=1umKvVGqPyV7dMfpJrFRZIW5rVYSCaGiVO90pac3R7ApPLARUbHXCA..&URL=https%3a%2f%2fits.cern.ch%2fjira%2fbrowse%2fATLASRECTS-5309