Feature/jacoco test - Githubissues

Description

Added jacoco library to pom.xml for unit and coverage testing. Changed also the pipeline for DevOps to use jacoco configuration.

[x] I have followed the indications in the CONTRIBUTING.
[x] The documentation related to the proposed change has been updated accordingly (plus comments in code).
[x] I have written new tests for my core changes, as applicable.
[x] I have successfully run tests with my changes locally.
[x] It is ready for review! :rocket: