Investigate using ctest to run system tests

[thomashampson]

Describe the outcome that is desired.
Currently we have our own system test running scripts, but there would be benefits to running them using ctest instead.

Describe any solutions you are considering
Use pytest (https://docs.pytest.org/en/7.2.x/) for test discovery and then have cmake drive it and register the tests as ctests that are run with ctest.

[DonaldChung-HK]

Currently, the system tests are executed in a separate binary.

The branch attached to this issue shows how to add system tests to ctest. However, this still rely on the systemtest binary and testruner python script to execute the tests.

In a long run, we might want to rewrite the tests to be executed using ctest so that they can take advantage of the unit test monitoring dashboard.

Proposed solution

1. Rewrite the tests into pytest format so that the test can be executed using pytest. Currently, the tests inherit the unittest class but are not written in a way that can be executed by pytest
2. Install the custom libraries for system tests during the build process. There are a few custom libraries that need to be installed in order for the system test to execute.
3. Add a step in the jenkins build step to pull the test data from the remote source.

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[thomashampson]

@cailafinn here is the issue I was talking about