chore(litellm): skip flaky litellm tests

[ncybul]

The test_completion_openai_enabled test is flaky in CI due to some issues patching Open AI to be used within the LiteLLM library. This PR uses @pytest.mark.skip to avoid running these tests in CI.

Checklist

• 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
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

tests/contrib/litellm/test_litellm_llmobs.py                            @DataDog/apm-core-python @DataDog/apm-idm-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 240 ± 10 ms.

The average import time from base is: 238 ± 3 ms.

The import time difference between this PR and base is: 0.4 ± 0.4 ms.

The difference is not statistically significant (z = 0.96).

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.256 ms (0.53%)

ddtrace 0.648 ms (0.27%)

ddtrace.bootstrap.sitecustomize 0.607 ms (0.25%)

ddtrace.bootstrap.preload 0.607 ms (0.25%)

ddtrace.internal.remoteconfig.client 0.607 ms (0.25%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-06-02 17:44:39

Comparing candidate commit 23908e6 in PR branch nicole-cybul/skip-litellm-flaky-tests with baseline commit 736220e in branch main.

Found 0 performance improvements and 6 performance regressions! Performance is the same for 461 metrics, 9 unstable metrics.

scenario:iastaspects-lower_aspect

• 🟥 execution_time [+175.198ns; +216.619ns] or [+7.751%; +9.584%]

scenario:iastaspects-lstrip_aspect

• 🟥 execution_time [+1.251µs; +1.493µs] or [+9.708%; +11.588%]

scenario:iastaspects-replace_aspect

• 🟥 execution_time [+537.475ns; +607.494ns] or [+11.444%; +12.935%]

scenario:iastaspects-rstrip_aspect

• 🟥 execution_time [+1.352µs; +1.533µs] or [+10.574%; +11.990%]

scenario:iastaspects-swapcase_aspect

• 🟥 execution_time [+188.768ns; +227.933ns] or [+7.645%; +9.231%]

scenario:iastaspectsospath-ospathjoin_aspect

• 🟥 execution_time [+575.620ns; +793.802ns] or [+9.370%; +12.922%]