Update test_ascend_gemma_3_4b_it.py

Author: cherryblo

test/nightly/ascend/vlm_models/test_ascend_gemma_3_4b_it.py

@@ -4,7 +4,7 @@
 from test_vlm_utils import TestVLMModels
 from sglang.test.ci.ci_register import register_npu_ci
 
-register_npu_ci(est_time=400, suite="nightly-4-npu", nightly=True)
+register_npu_ci(est_time=400, suite="nightly-4-npu-a3", nightly=True)
 
 
 class TestGemmaModels(TestVLMModels):