Develop test suite for EDDIE virtualization API

Description

To allow for a high quality development process we need to ensure EDDIE has a test suite we can run regularly during development and also from CI during integration.

Re-use framework from EDDIE networking layer
Implement basic test harness and integrate into build system
Write test cases for all external API's
Write test cases for different internal units
Make it easy to run test suite also from a CI environment

Edited Aug 31, 2022 by Francesco Pham

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