[yenuo26]

PLEASE FILL IN THE PR DESCRIPTION HERE.

Purpose

MOSS TTS offline E2E tests fail during orchestrator initialization on CI:

• test_moss_tts.py: OpenMOSS-Team/MOSS-VoiceGenerator requires trust_remote_code=True at ModelConfig validation time.
• test_moss_tts_realtime.py: Transformers does not recognize architecture moss_tts_realtime.

Skip the affected modules at collection time until the underlying loading/config issues are fixed.

Test Plan

• No new tests; CI-only skip markers on existing modules.
• Local collection (with full deps):

pytest tests/e2e/offline_inference/test_moss_tts.py \
       tests/e2e/offline_inference/test_moss_tts_realtime.py --collect-only -q

Expected: 5 tests reported as skipped with reason issues/4700.

vLLM Version: N/A (test-only change)

vLLM-Omni Commit: d6966b12

Test Result

• Pending CI (Buildkite L2/L3 merge jobs that include MOSS TTS offline inference).
• Skip markers follow existing offline_inference convention (module-level pytestmark.skip with issue URL).

BEFORE SUBMITTING: read CONTRIBUTING.md and run the precheck-pr skill with the code agent for a self-check against project conventions.
(anything written below this line will be removed by GitHub Actions)

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[Gaohan123]

LGTM