test: covering Contract API and Logs API endpoints

[pcheremu]

What ❔

only the signature
fix unsigned commit

Why ❔

to merge integration-tests

Checklist

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.

[github-actions]

API E2E Test Results

206 tests  ±0   206 ✅ ±0   28s ⏱️ ±0s
 14 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit 8b088d1. ± Comparison against base commit 946b0f6.

[github-actions]

Visit the preview URL for this PR (updated for commit 8b088d1):

• https://staging-scan-v2--pr174-qa-669-fix-unsigned-z9i5ff7q.web.app
• https://staging-storybook-scan-v2--pr174-qa-669-fix-unsigned-77c5hqfr.web.app

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[github-actions]

Unit Test Results

    4 files  ±0    263 suites  ±0   13m 26s ⏱️ -16s
2 079 tests ±0  2 078 ✅ ±0  1 💤 ±0  0 ❌ ±0 
2 284 runs  ±0  2 283 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit 8b088d1. ± Comparison against base commit 946b0f6.