Updated tests

Signed-off-by: Rishin Raj <rishinr@qti.qualcomm.com>

Author: quic-rishinr

tests/unit_test/conftest.py

@@ -29,6 +29,7 @@ def pytest_configure(config):
     config.addinivalue_line("markers", "onnx: ONNX export/ORT test")
     config.addinivalue_line("markers", "input_handler: InputHandler utility test")
     config.addinivalue_line("markers", "diffusers: QEfficient diffusers module test")
+    config.addinivalue_line("markers", "llm_model: mark test as a pure LLM model inference test")
 
 
 def pytest_collection_modifyitems(items):