fix(webkit): fix non-mac screenshots w/ dsf (#1665)

Author: pavelfeldman

package.json

@@ -10,7 +10,7 @@
   "playwright": {
     "chromium_revision": "754895",
     "firefox_revision": "1069",
-    "webkit_revision": "1187"
+    "webkit_revision": "1188"
   },
   "scripts": {
     "ctest": "cross-env BROWSER=chromium node test/test.js",

test/golden-utils.js

@@ -56,7 +56,7 @@ function compareImages(actualBuffer, expectedBuffer, mimeType) {
     };
   }
   const diff = new PNG({width: expected.width, height: expected.height});
-  const count = pixelmatch(expected.data, actual.data, diff.data, expected.width, expected.height, {threshold: 0.15});
+  const count = pixelmatch(expected.data, actual.data, diff.data, expected.width, expected.height, {threshold: 0.2});
   return count > 0 ? { diff: PNG.sync.write(diff) } : null;
 }
 

test/screenshot.spec.js

@@ -217,7 +217,7 @@ module.exports.describe = function({testRunner, expect, product, playwright, FFO
         expect(screenshot).toBeInstanceOf(Buffer);
       }
     });
-    it.fail(WEBKIT)('should work with device scale factor', async({browser, server}) => {
+    it('should work with device scale factor', async({browser, server}) => {
       const context = await browser.newContext({ viewport: { width: 320, height: 480 }, deviceScaleFactor: 2 });
       const page = await context.newPage();
       await page.goto(server.PREFIX + '/grid.html');
@@ -394,7 +394,7 @@ module.exports.describe = function({testRunner, expect, product, playwright, FFO
       expect(screenshot).toBeGolden('screenshot-element-mobile.png');
       await context.close();
     });
-    it.fail(WEBKIT && LINUX).skip(FFOX)('should work with device scale factor', async({browser, server}) => {
+    it.skip(FFOX)('should work with device scale factor', async({browser, server}) => {
       const context = await browser.newContext({ viewport: { width: 320, height: 480 }, deviceScaleFactor: 2 });
       const page = await context.newPage();
       await page.goto(server.PREFIX + '/grid.html');