ci: use fixtures to reset dd-trace-debug and caplog level

[gnufede]

Since these tests are flaky, this PR is intended to test the most important thing and let the additional asserts pass but not fail the test to avoid too many retries.

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• [x] PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
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• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
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• [x] Reviewer has checked that all the criteria below are met
• Title is accurate
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[github-actions[bot]]

CODEOWNERS have been resolved as:

tests/tracer/test_endpoint_config.py                                    @DataDog/apm-sdk-api-python

[pr-commenter[bot]]

Benchmarks

Benchmark execution time: 2024-11-20 08:07:26

Comparing candidate commit 9c34e643a93d1163d3cb243ce6f5a1f071203a72 in PR branch gnufede/flaky_test_endpoint_config with baseline commit 5724fd30074245127c3ce9f47a7a38c0714c5165 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 388 metrics, 2 unstable metrics.

[romainkomorndatadog]

I wonder if passing the logger argument (eg: the docs show logger="root.baz") would make this a tiny bit safer as well.