Adjusting pixel tolerance for the following test: css3/blending/background-blend-mode-data-uri-svg-image.html
<rdar://problem/108820736>
Pull request: https://github.com/WebKit/WebKit/pull/13493
Committed 263981@main (6c59587d5d33): <https://commits.webkit.org/263981@main> Reviewed commits have been landed. Closing PR #13493 and removing active labels.