fix: refactored tests (#4068)

Author: mrtopsyt

explorer/playwright_anvil.config.ts

@@ -33,6 +33,6 @@ const config: PlaywrightTestConfig = {
     timeout: 240 * 1000,
     url: "http://localhost:3000/",
   },
-  workers: "75%",
+  workers: 1,
 };
 export default config;