[Do not merge] Support compilation preprocessor symbols for language and runtime in UT scenarios

[antonioaversa]

POC for initiative: https://trello.com/c/5uqnuqTM/76-merge-test-cases-depending-on-language-version
To be presented to the circle

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[antonioaversa]

I have removed this PR from the Kanban, to reduce the visual clutter.
However, I haven't closed it, and I have added it to the backlog instead since it contains work that may be useful in the foreseeable future, as the proposal it implements (E/F) is being added to the technical vision.