* Add tests for openai api_server coverage
* update
* Update tests for openai api_server
* fix bugs
* test: disable some api_server lifespan/controller tests for local env
* Format test_api_server with black
* update
* update
* test: narrow envs patch in api_server tests to avoid side effects
* fix: separate MagicMock creation to avoid missing req argument
* fix: patch TRACES_ENABLE env var in api_server tests
* fix: use os.environ patch for TRACES_ENABLE
* test: use fake fastdeploy.envs in api_server tests
* test: pass fake Request into chat/completion routes
* test: increase coverage for tracing and scheduler control
* fix: set dynamic_load_weight in tracing headers test
* ci: add retry and validation for FastDeploy.tar.gz download
* ci: fix indentation in _base_test.yml
* refactor: simplify test_api_server.py (807->480 lines, ~40% reduction)
* fix: restore missing args attributes (revision, etc.) in _build_args
* fix: patch sys.argv to prevent SystemExit: 2 in api_server tests
* improve coverage
* Remove docstring from test_api_server.py
Removed unnecessary docstring from test_api_server.py
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Co-authored-by: CSWYF3634076 <wangyafeng@baidu.com>
