Fix Harmony reasoning parser for and auto-separation for gpt-oss models (#9190)

Co-authored-by: Chang Su <chang.s.su@oracle.com>
Co-authored-by: Chayenne <zhaochen20@outlook.com>
Co-authored-by: zhaochenyang20 <zhaochenyang20@gmail.com>
Co-authored-by: minleminzui <2969413251@qq.com>
Co-authored-by: maocheng23 <maocheng@berkeley.edu>
Co-authored-by: Xinyuan Tong <xinyuantong.cs@gmail.com>

test/srt/run_suite.py

@@ -73,6 +73,7 @@ suites = {
         TestFile("test_function_call_parser.py", 10),
         TestFile("test_fused_moe.py", 30),
         TestFile("test_gpt_oss_1gpu.py", 600),
+        TestFile("test_harmony_parser.py", 20),
         TestFile("test_hidden_states.py", 55),
         TestFile("test_hybrid_attn_backend.py", 100),
         TestFile("test_input_embeddings.py", 38),