[CI/Build] Split up models tests (#10069)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

tests/models/decoder_only/language/test_aqlm.py

@@ -38,6 +38,7 @@ ground_truth_generations = [
 ]
 
 
+@pytest.mark.quant_model
 @pytest.mark.skipif(not is_quant_method_supported("aqlm"),
                     reason="AQLM is not supported on this GPU type.")
 @pytest.mark.parametrize("model", ["ISTA-DASLab/Llama-2-7b-AQLM-2Bit-1x16-hf"])