add test to test_model_loader.py

Signed-off-by: Allen Jia <kuafou@gmail.com>

Author: kuafou

tests/models/common/test_model_loader.py

@@ -201,6 +201,10 @@ def test_register_model_vllm_wrapper_methods():
     with pytest.raises(NotImplementedError, match="JAX model"):
         instance.forward(input_ids=None, positions=None)
 
+    # `get_input_embeddings` should be unimplemented.
+    with pytest.raises(NotImplementedError, match="JAX model"):
+        instance.get_input_embeddings(input_ids=None, positions=None)
+
     # `load_weights` should be a no-op that returns None.
     assert instance.load_weights() is None