Fix waitForAppUrl race condition

Author: nikosdouvlis

integration/playwright.config.ts

@@ -18,7 +18,7 @@ export const common: PlaywrightTestConfig = {
   retries: process.env.CI ? 2 : 0,
   timeout: 90000,
   maxFailures: process.env.CI ? 1 : undefined,
-  workers: process.env.CI ? numAvailableWorkers : '70%',
+  workers: process.env.CI ? numAvailableWorkers : '50%',
   reporter: process.env.CI ? 'line' : 'list',
   use: {
     ignoreHTTPSErrors: true,