test: even lower worker count

Author: AriPerkkio

vitest.config.ts

@@ -8,8 +8,8 @@ export default defineConfig({
     reporters: "verbose",
 
     // browser instances are running parallel, so they take 200% of the CPU count. Lower the amount to reduce resource usage
-    maxWorkers: "25%",
-    minWorkers: "25%",
+    maxWorkers: 1,
+    minWorkers: 1,
 
     browser: {
       enabled: true,