Change Observer: Add WPTs for move behavior (#47390)
Adds WPTs that test how moves should be reported.
Bug: 341136316
Change-Id: I56454ffa7437dd6c1e501806d51ece732f58827d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5749239
Reviewed-by: Daseul Lee dslee@chromium.org
Commit-Queue: Nathan Memmott memmott@chromium.org
Cr-Commit-Position: refs/heads/main@{#1335563}
Co-authored-by: Nathan Memmott memmott@chromium.org