changed config path

Author: Serenagu525

src/maxdiffusion/tests/ltx_transformer_step_test.py

@@ -103,7 +103,9 @@ def test_one_step_transformer(self):
     key = jax.random.PRNGKey(42)
     devices_array = create_device_mesh(config)
     mesh = Mesh(devices_array, config.mesh_axes)
-    config_path = "../models/ltx_video/xora_v1.2-13B-balanced-128.json"
+    base_dir = os.path.dirname(__file__)
+    config_path = os.path.join(base_dir,  "../models/ltx_video/xora_v1.2-13B-balanced-128.json")
+   
     with open(config_path, "r") as f:
       model_config = json.load(f)
     relative_ckpt_path = model_config["ckpt_path"]