Migrate serialize api tests to playwright

addons/addon-serialize/test/playwright.config.ts

@@ -0,0 +1,35 @@
+import { PlaywrightTestConfig } from '@playwright/test';
+
+const config: PlaywrightTestConfig = {
+  testDir: '.',
+  timeout: 10000,
+  projects: [
+    {
+      name: 'Chrome Stable',
+      use: {
+        browserName: 'chromium',
+        channel: 'chrome'
+      }
+    },
+    {
+      name: 'Firefox Stable',
+      use: {
+        browserName: 'firefox'
+      }
+    },
+    {
+      name: 'WebKit',
+      use: {
+        browserName: 'webkit'
+      }
+    }
+  ],
+  reporter: 'list',
+  webServer: {
+    command: 'npm run start-server-only',
+    port: 3000,
+    timeout: 120000,
+    reuseExistingServer: !process.env.CI
+  }
+};
+export default config;

addons/addon-serialize/test/tsconfig.json

@@ -3,7 +3,7 @@
     "module": "commonjs",
     "target": "es2021",
     "lib": [
-      "es2015"
+      "es2021",
     ],
     "rootDir": ".",
     "outDir": "../out-test",
@@ -13,13 +13,15 @@
     "paths": {
       "common/*": [
         "../../../src/common/*"
+      ],
+      "browser/*": [
+        "../../../src/browser/*"
       ]
     },
     "strict": true,
     "types": [
-      "../../../node_modules/@types/mocha",
       "../../../node_modules/@types/node",
-      "../../../out-test/api/TestUtils"
+      "../../../out-test/playwright/TestUtils"
     ]
   },
   "include": [
@@ -29,6 +31,9 @@
   "references": [
     {
       "path": "../../../src/common"
+    },
+    {
+      "path": "../../../src/browser"
     }
   ]
 }

bin/test_playwright.js

@@ -24,6 +24,7 @@ let configs = [
   { name: 'addon-clipboard', path: 'addons/addon-clipboard/out-test/playwright.config.js' },
   { name: 'addon-fit',       path: 'addons/addon-fit/out-test/playwright.config.js' },
   { name: 'addon-search',    path: 'addons/addon-search/out-test/playwright.config.js' },
+  { name: 'addon-serialize', path: 'addons/addon-serialize/out-test/playwright.config.js' },
   { name: 'addon-webgl',     path: 'addons/addon-webgl/out-test/playwright.config.js' }
 ];