Automatic update from web-platform-testsReduce text-sizing dependency & use clearer colors in reftest flex-flexitem-percentage-prescation.html -- Merge pull request #13630 from dholbert/master Reduce text-sizing dependency & use clearer colors in reftest flex-flexitem-percentage-prescation.html -- wpt-commits: 4d8a84fd6a7722719f6e62d802bfa5a2153cdcb8, d05656c8d688427f810d608fec3d10248f1099f2 wpt-pr: 13630