[FEATURE] Add CI Test to Verify Execution of Tests

[mateusmolina-iese]

Currently, our CI pipeline does not explicitly verify whether tests were executed. To ensure test execution, we should add a CI step that checks for the existence of Surefire and Failsafe reports after the testing phase. If these reports are missing, the CI should fail to prevent false positives in test results.

Acceptance Criteria:

• The pipeline should fail with a clear error message if reports are missing.