Fix PrefixParser expected outcome
Fix PrefixParser expected outcome

With the removal of GTM specific prefixes, update the expected output for
the PrefixParser test to include those new prefixes.

OSEHRA/VistA,OSEHRA/VistA,OSEHRA/VistA,OSEHRA/VistA,OSEHRA/VistA,OSEHRA/VistA