chore: add test coverage (#4960)

playwright.config.ts

@@ -4,8 +4,8 @@ export default defineConfig({
   testDir: './tests',
   fullyParallel: !!process.env.CI,
   forbidOnly: !!process.env.CI,
-  retries: process.env.CI ? 2 : 0,
-  workers: process.env.CI ? 1 : undefined,
+  retries: process.env.CI ? 3 : 0,
+  workers: process.env.CI ? 8 : undefined,
   snapshotPathTemplate: './tests/screenshots{/projectName}/{testFilePath}/{arg}{ext}',
   outputDir: './tests/test-results',
   reporter: [[process.env.CI ? 'blob' : 'html', { outputFolder: './tests/playwright-report' }]],
@@ -38,7 +38,7 @@ export default defineConfig({
     //},
   ],
   webServer: {
-    command: 'cross-env APP_CONFIG=config/e2e.js yarn start',
+    command: 'cross-env APP_CONFIG=config/e2e.js COVERAGE=true nyc yarn start',
     url: 'http://localhost:3000',
     reuseExistingServer: !process.env.CI,
     timeout: 360_000,