Fix #118, Add extra unit test for to LC9004.2

[anhvan989]

Fix #118, Add extra unit test for traceability to requirement to LC9004.2

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• I reviewed the Contributing Guide.
• 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
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Add extra unit test to show traceability to requirment LC9004.2

Testing performed
Steps taken to test the contribution:

1. make SIMULATION=native prep
2. make install
3. make test/run coverage-lc-lc_app-testrunner

Expected behavior changes
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None

System(s) tested on

• Hardware: [e.g. PC, SP0, MCP750]
• OS: [e.g. Ubuntu 18.04, RTEMS 4.11, VxWorks 6.9]
• Versions: [e.g. cFE 6.6, OSAL 4.2, PSP 1.3 for mcp750, any related apps or tools]

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Third party code
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Full name and company/organization/center of all contributors ("Personal" if individual work)

• Note CLA's apply to software contributions.
  Anh Van