test(openai-agents): Assert subset of expected dictionary is in gen_ai.response.tool_calls

[alexander-alderman-webb]

Description

Make the test more robust so it doesn't fail in weekly runs such as

#6891

Issues

Closes #6900

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

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[github-actions]

Codecov Results 📊

✅ 100310 passed | ⏭️ 7021 skipped | Total: 107331 | Pass Rate: 93.46% | Execution Time: 353m 46s

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2506 uncovered lines.
❌ Project coverage is 89.91%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
- Coverage    89.92%    89.91%    -0.01%
==========================================
  Files          193       193         —
  Lines        24832     24832         —
  Branches      8912      8912         —
==========================================
+ Hits         22328     22326        -2
- Misses        2504      2506        +2
- Partials      1415      1417        +2

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