[Bugfix]: Fix the incompatibility issue with tool_choice 'required' when Thinking is enabled

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

Author: chaunceyjiang

tests/entrypoints/openai/test_completion_with_function_calling.py

@@ -8,7 +8,7 @@
 from ...utils import RemoteOpenAIServer
 
 # any model with a chat template should work here
-MODEL_NAME = "Qwen/Qwen2.5-1.5B-Instruct"
+MODEL_NAME = "Qwen/Qwen3-8B"
 
 
 @pytest.fixture(scope="module")