[Bugfix] EPLB nightly deepseek (#5095)

### What this PR does / why we need it?
The name of the smoke test file for DeepSeek EPLB has been changed, but
the name in the script hasn't been updated. Fix this bug.

Signed-off-by: shenchuxiaofugui <1311027364@qq.com>

.github/workflows/nightly_test_a3.yaml

@@ -101,7 +101,7 @@ jobs:
             tests: tests/e2e/nightly/models/test_qwen3_235b_a22b_w8a8_eplb.py
           - name: deepseek-r1-w8a8-eplb
             os: linux-aarch64-a3-16
-            tests: tests/e2e/nightly/models/test_deepseek_r1_w8a8_eplb.py
+            tests: tests/e2e/nightly/models/test_deepseek_r1_0528_w8a8_eplb.py
           - name: deepseek-r1-w8a8-mtpx
             os: linux-aarch64-a3-16
             tests: tests/e2e/nightly/features/test_mtpx_deepseek_r1_0528_w8a8.py