Three compositing tests marked as ImageOnlyFailure on Apple Silicon are now passing, we need to update TestExpectations to reflect this.
<rdar://problem/66661355>
Pull request: https://github.com/WebKit/WebKit/pull/21598
Test gardening commit 271849@main (6eaaf3dcccc2): <https://commits.webkit.org/271849@main> Reviewed commits have been landed. Closing PR #21598 and removing active labels.