Layout tests fast/hidpi/filters-invert.html and fast/hidpi/filters-multiple.html are flaky failures. Updating expectations accordingly. The tests appear to sometimes fail in the same way. Here's results for filters-multiple.html: Expected: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r221875%20(3097)/fast/hidpi/filters-multiple-expected.png Actual: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r221875%20(3097)/fast/hidpi/filters-multiple-actual.png Diff: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r221875%20(3097)/fast/hidpi/filters-multiple-diff.png