feat(webkit): enable user-data-dir tests for all platforms (#646)

Fixes #560

Author: pavelfeldman

package.json

@@ -10,7 +10,7 @@
   "playwright": {
     "chromium_revision": "733125",
     "firefox_revision": "1018",
-    "webkit_revision": "1111"
+    "webkit_revision": "1112"
   },
   "scripts": {
     "unit": "node test/test.js",

src/server/webkit.ts

@@ -79,9 +79,9 @@ export class WebKit implements BrowserType {
 
     let userDataDir: string;
     let temporaryUserDataDir: string | null = null;
-    const userDataDirArg = webkitArguments.find(arg => arg.startsWith('--user-data-dir'));
+    const userDataDirArg = webkitArguments.find(arg => arg.startsWith('--user-data-dir='));
     if (userDataDirArg) {
-      userDataDir = userDataDirArg.substr('--user-data-dir'.length).trim();
+      userDataDir = userDataDirArg.substr('--user-data-dir='.length).trim();
     } else {
       userDataDir = await mkdtempAsync(WEBKIT_PROFILE_PATH);
       temporaryUserDataDir = userDataDir;

test/launcher.spec.js

@@ -288,7 +288,7 @@ module.exports.describe = function({testRunner, expect, defaultBrowserOptions, p
     });
   });
 
-  describe.skip(WEBKIT)('Playwright.launch({userDataDir})', function() {
+  describe('Playwright.launch({userDataDir})', function() {
     it('userDataDir option', async({server}) => {
       const userDataDir = await mkdtempAsync(TMP_FOLDER);
       const options = Object.assign({userDataDir}, defaultBrowserOptions);