[CPU][CI] Enable fused MoE tests in Arm CI (#30132)

Signed-off-by: Fadi Arafeh <fadi.arafeh@arm.com>

.buildkite/scripts/hardware_ci/run-cpu-test-arm.sh

@@ -40,7 +40,8 @@ function cpu_tests() {
   docker exec cpu-test bash -c "
     set -e
     pytest -x -v -s tests/kernels/test_onednn.py
-    pytest -x -v -s tests/kernels/attention/test_cpu_attn.py"
+    pytest -x -v -s tests/kernels/attention/test_cpu_attn.py
+    pytest -x -v -s tests/kernels/moe/test_moe.py -k test_cpu_fused_moe_basic"
 
   # basic online serving
   docker exec cpu-test bash -c '