changed resolution for i2v

Author: prishajain1

src/maxdiffusion/tests/wan_magcache_test.py

@@ -230,8 +230,8 @@ def setUpClass(cls):
             None,
             os.path.join(THIS_DIR, "..", "configs", "base_wan_i2v_14b.yml"),
             "num_inference_steps=50",
-            "height=480",
-            "width=832",
+            "height=720",
+            "width=1280",
             "num_frames=81",
             "seed=11234567893",
             "attention=flash",