Adding tests for DI

[nojomyth-dev]

Description

This PR adds some tests in a separate package for DI. A separate package is needed, since the annotation processor needs to run beforehand, thus a working version of DI is required (hen egg problem).

Fixes #94

Type of change

• Bug Fix (non-breaking change to fix a bug)
• New Feature (non-breaking change to add a feature)
• User Configuration Change (change that requires migration of local user configuration)
• Plugin API Addition (non-breaking additional feature to communicate with plugins)
• Plugin API Change (breaking change the plugin API, which makes existing plugins incompatible)
• Added tests

How to test

mvn clean install --> look at di-test

Checklist:

• Code follows the coding guidelines
• Code is understandable by others
• Code is commented
• Migration of local user data is included (if relevant)
• No unexpected warnings or exceptions are thrown.
• Plugin compatibility is checked (if relevant)
• Unit Tests are added

[sonarqubecloud]

Quality Gate passed

Issues
8 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud