test: fix atomics test

Author: adamdbradley

playwright.atomics.config.ts

@@ -5,6 +5,6 @@ config.use.launchOptions = {
 };
 config.use.contextOptions.recordVideo = undefined;
 config.webServer.command = 'npm run serve.atomics.test';
-config.webServer.port = 4002;
+config.webServer.port = 4003;
 
 export default config;