fails:StandardError is a superclass of ArgumentError
fails:StandardError is a superclass of IOError
fails:StandardError is a superclass of IndexError
fails:StandardError is a superclass of LocalJumpError
fails:StandardError is a superclass of NameError
fails:StandardError is a superclass of RangeError
fails:StandardError is a superclass of RegexpError
fails:StandardError is a superclass of RuntimeError
fails:StandardError is a superclass of SystemCallError
fails:StandardError is a superclass of ThreadError
fails:StandardError is a superclass of TypeError
fails:StandardError is a superclass of ZeroDivisionError
