webnn: add WPT tests to cover the label for argMinMax and batchNormalization
This CL adds more validation tests to cover the label setting for
argMinMax and batchNormalization.
Bug: 354513206
Change-Id: I684fcd1af04ff8d263fdd3871ce9932277f6d441
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5740796
Reviewed-by: ningxin hu ningxin.hu@intel.com
Reviewed-by: Phillis Tang phillis@chromium.org
Commit-Queue: Lisha Guo lisha.guo@intel.com
Cr-Commit-Position: refs/heads/main@{#1334585}