tests: msg server tests for eureka

[colin-axner]

Description

closes: #7106

---

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• Targeted PR against the correct branch (see CONTRIBUTING.md).
• Linked to GitHub issue with discussion and accepted design, OR link to spec that describes this work.
• Code follows the module structure standards and Go style guide.
• Wrote unit and integration tests.
• Updated relevant documentation (docs/).
• Added relevant godoc comments.
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• Review SonarCloud Report in the comment section below once CI passes.

[AdityaSripal]

I just ported over the v1 tests and converted them to make the same v2 tests.

[AdityaSripal]

Approving even though I did converted of the tests here

[DimitrisJim]

lgtm, checked the cov locally and only switch default case in not covered. I added that as a panic which, in hindsight, probably can be an error considering sdk will convert panic into error either way.

[sonarqubecloud]

Quality Gate passed for 'ibc-go'

Issues
0 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