Enable failing RSpec test.
Enable failing RSpec test.

Testing functionality to ensure that the short and long form
of a command line option cannot both be specified at the same time

Signed-off-by: Grant Ramsay <4ab1b2fdb7784a8f9b55e81e3261617f44fd0585@gmail.com>

seapagan/optioneer,seapagan/optioneer