Implement http test for MaxRequest

[bojbrook]

What does this PR do?

Adds a test to the http integration on our handling to many concurrent http requests.

Motivation

From working with @BridgeAR on issue APMS-16671 where the customer was hitting the max requests limit of the tracer

Plugin Checklist

• Unit tests.
• Integration tests.
• Benchmarks.
• TypeScript definitions.
• TypeScript tests.
• API documentation.
• CI jobs/workflows.

Additional Notes

[github-actions]

Overall package size

Self size: 4.39 MB
Deduped: 5.21 MB
No deduping: 5.21 MB

Dependency sizes

| name | version | self size | total size | |------|---------|-----------|------------| | import-in-the-middle | 2.0.0 | 68.46 kB | 797.03 kB | | dc-polyfill | 0.1.10 | 26.73 kB | 26.73 kB |

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[datadog-datadog-prod-us1]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 2 Tests failed

IAST - overhead-controller - integration "after each" hook for "should report vulnerability only in the first request" from vulnerability sampling algorithm (Datadog) (Fix with Cursor)

Cannot read properties of undefined (reading 'kill')

TypeError: Cannot read properties of undefined (reading 'kill')
    at Context.<anonymous> (packages/dd-trace/test/appsec/iast/overhead-controller.integration.spec.js:27:10)
    at process.processImmediate (node:internal/timers:504:21)

IAST - overhead-controller - integration vulnerability sampling algorithm "before each" hook for "should report vulnerability only in the first request" from vulnerability sampling algorithm (Datadog) (Fix with Cursor)

Timeout of 5000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (/Users/runner/work/dd-trace-js/dd-trace-js/packages/dd-trace/test/appsec/iast/overhead-controller.integration.spec.js)

Error: Timeout of 5000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (/Users/runner/work/dd-trace-js/dd-trace-js/packages/dd-trace/test/appsec/iast/overhead-controller.integration.spec.js)
    at listOnTimeout (node:internal/timers:605:17)
    at process.processTimers (node:internal/timers:541:7)

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 373d21d | Docs | Datadog PR Page | Was this helpful? Give us feedback!}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.13%. Comparing base (033993d) to head (373d21d).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7256   +/-   ##
=======================================
  Coverage   85.13%   85.13%           
=======================================
  Files         532      532           
  Lines       22654    22654           
=======================================
  Hits        19287    19287           
  Misses       3367     3367           

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[pr-commenter]

Benchmarks

Benchmark execution time: 2026-01-15 18:50:23

Comparing candidate commit 373d21d in PR branch bojbrook/http-slowagent-test with baseline commit 033993d in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 291 metrics, 29 unstable metrics.