Fix broken tests and installs

Author: leeyi45

devserver/package.json

@@ -38,7 +38,7 @@
   "scripts": {
     "dev": "vite",
     "lint": "eslint src",
-    "postinstall": "playwright install",
+    "postinstall": "playwright install --with-deps",
     "test": "vitest --config ./vite.config.ts --project \"Dev Server\"",
     "tsc": "tsc --project ./tsconfig.json"
   }

lib/buildtools/src/build/__tests__/manifest.test.ts

@@ -10,7 +10,7 @@ describe('Test bundle manifest schema validation', () => {
 
   test('Valid Schema', async () => {
     mockedReadFile.mockResolvedValueOnce('{ "tabs": [] }');
-    mockedReadFile.mockResolvedValueOnce('{ version: "1.0.0" }');
+    mockedReadFile.mockResolvedValueOnce('{ "version": "1.0.0" }');
 
     await expect(getBundleManifest('yes'))
       .resolves
@@ -22,7 +22,7 @@ describe('Test bundle manifest schema validation', () => {
 
   test('Valid Schema with tabs without verification', async () => {
     mockedReadFile.mockResolvedValueOnce('{ "tabs": ["tab0", "tab1"] }');
-    mockedReadFile.mockResolvedValueOnce('{ version: "1.0.0" }');
+    mockedReadFile.mockResolvedValueOnce('{ "version": "1.0.0" }');
 
     await expect(getBundleManifest('yes', false))
       .resolves