Modify the test description for test_da8w4_cpu

Modify the test description for test_da8w4_cpu.

Signed-off-by: Cui, Yuxin <yuxin.cui@intel.com>

Author: Cui, Yuxin

test/quantization/test_da8w4_cpu.py

@@ -164,7 +164,7 @@ def forward(self, x):
             # The trailing "(" is to avoid matching the op in the comment
             assert code[0].count("torch.ops.torchao.da8w4_linear_cpu.default(") == 1
 
-            # ensure the custom DA8W4ConcatLinearCPUPass is properly cached as fxgraph
+            # ensure the custom DA8W4ConcatLinearCPUPass is not bypassed when saving as fxgraph
             enable_fxgraph_cache_bypass = counters["inductor"]["fxgraph_cache_bypass"]
             assert enable_fxgraph_cache_bypass == 0