[Misc] fixed nvfp4_moe test failures due to invalid kwargs (#21246)

Signed-off-by: Yang Chen <yangche@fb.com>

tests/kernels/moe/test_nvfp4_moe.py

@@ -93,11 +93,11 @@ def test_cutlass_fp4_moe_no_graph(m: int, n: int, k: int, e: int, topk: int,
             a1_gscale=a1_gs,
             w1_fp4=w1_q,
             w1_blockscale=w1_blockscale,
-            w1_alphas=(1 / w1_gs),
+            g1_alphas=(1 / w1_gs),
             a2_gscale=a2_gs,
             w2_fp4=w2_q,
             w2_blockscale=w2_blockscale,
-            w2_alphas=(1 / w2_gs),
+            g2_alphas=(1 / w2_gs),
             topk_weights=topk_weights,
             topk_ids=topk_ids,
             m=m,