Is your feature request related to a problem? Please describe.
CI in #39 only checks for warn/err/fail in cFS output

Describe the solution you'd like
Enforce the existence of the following message:
"CFE_ES_Main entering OPERATIONAL state"

Describe alternatives you've considered
Any other positive check would work, above was the simplest I could think of.

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC