add Battery case for getIdentifiable for Propagated Contingency

[EtienneLt]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [x] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem? #1015

Does this PR introduce a breaking change or deprecate an API?

• [ ] Yes
• [x] No

[EtienneLt]

I will remove the toList() I forgot about that

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
96.7% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud