You can redefine the keyword which catches exceptions

This is intended for backward compatibility to be able to switch this feature off
Don't use in other cases

variable defined: SLIM_EXCEPTION_COMPARATOR=HelloEXCEPTION:

import
fitnesse.slim.test

Test Slim
# Scenario throw Normal? getStringArg? string
redefined Comparator name HelloEXCEPTION:=~/This is my exception/ EXCEPTION:=~/Test message/ EXCEPTION:=~/Test message/