unit test readme.

Signed-off-by: xipingya <xiping.yan@intel.com>

Author: xipingyan

tests/module_genai/cpp/README.md

@@ -5,6 +5,7 @@ Each module's unit test.
 # How to run
 
 Refer script: run_test.sh
+Please prepare your test models and copy to [PATH](./test_models/)
 
 ```
 cd [PATH]/openvino.genai/tests/module_genai/cpp
@@ -24,4 +25,17 @@ cp ${OV_TOKENIZERS_LIB_PATH} ../../../build/tests/module_genai/cpp/
 <!-- Filter test example -->
 ../../../build/tests/module_genai/cpp/genai_modules_test --gtest_filter="*cat_120_100_dog_120_120*"
 
-```
+```
+
+# Supported model list
+
+Corresponding yaml config [path](../../../samples/cpp/module_genai/config_yaml/)
+
+```
+Qwen2.5-VL-3B-Instruct
+Z-Image-Turbo-fp16-ov
+Wan2.1-T2V-1.3B-Diffusers
+Qwen3.5-0.8B
+Qwen3.5-35B-A3B-Base_VL_OV_IR
+Qwen3-Omni-4B-Instruct-multilingual
+```