Auto-activate cpp easy wins for apm-lang-platform

[dd-octo-sts]

Automated activation of easy-win tests for cpp owned by apm-lang-platform
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• Auto-merge is only enabled for opted-in team/library pairs.
• If the tests are failing it might be due to a change made since the last nightly system-tests run. You can close the PR, an updated one will be available tomorrow.
• If you close the PR please also delete the branch

[dd-prapprover-prod-77c48c]

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🛠️ PRApproval Status

• ✅ PR is eligible for auto-approval by rule system-tests-auto-activate-easy-wins - 2026-08-18T09:41:58Z
• ⬜ CI tests passed
• ⬜ Approved
• Manual merge required: this rule does not auto-merge.

➡️ Current phase: CI tests failed. Please fix the failing tests and rerun the workflow, click Workflow Link -> Workflow Starter Link -> Start Workflow

[github-actions]

CODEOWNERS have been resolved as:

manifests/cpp.yml                                                       @DataDog/dd-trace-cpp

[datadog-prod-us1-6]

 

⚠️ Warnings

🚦 3 Pipeline jobs failed

Testing the test | System Tests (cpp, dev) / parametric / parametric (2) — ❌ 1 test failed · 🔧 Needs a code fix, caused by this PR

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1 failed test due to AssertionError: trace should be rejected after trimming filter whitespace in tests/parametric/test_trace_filters.py:191.

Showing tests most relevant to this failure.

❌ tests.parametric.test_trace_filters.Test_Trace_Filters.test_trace_filters_trim[agent_env0-library_env0, parametric-cpp] from system_tests_suite  

AssertionError: trace should be rejected after trimming filter whitespace
assert not [[{'duration': 41013382, 'error': 0, 'meta': {'_dd.p.dm': '-0', '_dd.p.tid': '6a842a3e00000000', 'language': 'cpp', 'reject_tag': 'true', ...}, 'metrics': {'_dd.agent_psr': 1.0, '_sampling_priority_v1': 1.0, 'process_id': 1.0}, ...}]]
 +  where [[{'duration': 41013382, 'error': 0, 'meta': {'_dd.p.dm': '-0', '_dd.p.tid': '6a842a3e00000000', 'language': 'cpp', 'reject_tag': 'true', ...}, 'metrics': {'_dd.agent_psr': 1.0, '_sampling_priority_v1': 1.0, 'process_id': 1.0}, ...}]] = <bound method TestAgentAPI.traces of <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7f669f63d970>>()
 +    where <bound method TestAgentAPI.traces of <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7f669f63d970>> = <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7f669f63d970>.traces

self = <tests.parametric.test_trace_filters.Test_Trace_Filters object at 0x7f66d20444d0>
test_agent = <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7f669f63d970>
test_library = <utils.docker_fixtures._test_clients._test_client_parametric.ParametricTestClientApi object at 0x7f669f472990>

    @enable_tracestats()
...

Testing the test | System Tests (cpp, prod) / parametric / parametric (1) — 🔧 Needs a code fix, caused by this PR

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1 failed test. AssertionError: trace should be rejected after trimming filter whitespace in tests/parametric/test_trace_filters.py

Testing the test | all-jobs-are-green

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Check run failed for multiple system tests in cpp environments.

📋 Copy prompt for your agent

CI on my pull request is failing. Help me find and fix the root cause of each failing job below — they were flagged as caused by changes in this PR, so focus on the diff. For each job, explain the failure and propose a fix.

Branch: easy-win/apm-lang-platform/cpp

Testing the test | System Tests (cpp, dev) / parametric / parametric (2)
Commit: 60e5e67fdac332852a5e092aa58ba2622253f501
Error (code / test):
1 failed test due to AssertionError: trace should be rejected after trimming filter whitespace in tests/parametric/test_trace_filters.py:191.
CI job: https://github.com/DataDog/system-tests/actions/runs/32122954509/job/95667968373

Testing the test | System Tests (cpp, prod) / parametric / parametric (1)
Commit: 60e5e67fdac332852a5e092aa58ba2622253f501
Error (code / test):
1 failed test. AssertionError: trace should be rejected after trimming filter whitespace in tests/parametric/test_trace_filters.py
CI job: https://github.com/DataDog/system-tests/actions/runs/32122954509/job/95667983653

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

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