Add functional tests for cFE ES Resource ID APIs

[zanzaben]

Is your feature request related to a problem? Please describe.
Need open source functional tests for certifiability

Describe the solution you'd like
Add functional tests for cFE Resource ID APIs
– CFE_ES_AppID_ToIndex
– CFE_ES_LibID_ToIndex
– CFE_ES_TaskID_ToIndex
– CFE_ES_CounterID_ToIndex

Describe alternatives you've considered
N/A

Additional context
N/A

Requester Info
Alex Campbell GSFC

[nmullane]

I'll start working on this.