Fix #377, Remove error event on nominal semaphore timeout

[skliper]

Checklist (Please check before submitting)

• [x] I reviewed the Contributing Guide.
• [x] I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution

• Fix #377

Testing performed Updated unit tests and functionally in prototype code

Expected behavior changes No error event for nominal semaphore timeout (flow control)

System(s) tested on Ubuntu 20.04

Additional context

• Added #378

Third party code None

Contributor Info - All information REQUIRED for consideration of pull request Jacob Hageman - NASA/GSFC