Default model load/config/tokenizer to mistral format if relevant files exist (#28659)

Signed-off-by: Julien Denize <julien.denize@mistral.ai>
Signed-off-by: Julien Denize <40604584+juliendenize@users.noreply.github.com>
Signed-off-by: mgoin <mgoin64@gmail.com>
Signed-off-by: Michael Goin <mgoin64@gmail.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: mgoin <mgoin64@gmail.com>

tests/tool_use/utils.py

@@ -128,6 +128,12 @@ CONFIGS: dict[str, ServerConfig] = {
         "arguments": [
             "--enforce-eager",
             "--no-enable-prefix-caching",
+            "--tokenizer_mode",
+            "hf",
+            "--load_format",
+            "hf",
+            "--config_format",
+            "hf",
             "--tool-call-parser",
             "mistral",
             "--chat-template",