test: covering Contract API and Logs API endpoints

[pcheremu]

What ❔

fix unsigned commit

Why ❔

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   30s ⏱️ +2s
 14 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit 3c4f3ce. ± Comparison against base commit 8b088d1.

♻️ This comment has been updated with latest results.

[github-actions]

Visit the preview URL for this PR (updated for commit 3c4f3ce):

• https://staging-scan-v2--pr175-qa-669-fix-unsigned-xqt29ky7.web.app
• https://staging-storybook-scan-v2--pr175-qa-669-fix-unsigned-8kxvuf15.web.app

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[github-actions]

Unit Test Results

    4 files  ±0    263 suites  ±0   13m 28s ⏱️ +2s
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 3c4f3ce. ± Comparison against base commit 8b088d1.

♻️ This comment has been updated with latest results.