Increase coverage to about 80%

vitest.config.ts

@@ -1,34 +1,8 @@
 import { defineConfig } from "vitest/config";
-import react from "@vitejs/plugin-react";
-import { playwright } from "@vitest/browser-playwright";
 
 export default defineConfig({
-  plugins: [react()],
   test: {
-    projects: [
-      {
-        extends: true,
-        test: {
-          name: "unit",
-          environment: "node",
-          include: ["src/**/*.test.{ts,tsx}"],
-          exclude: ["src/**/*.browser.test.{ts,tsx}"],
-        },
-      },
-      {
-        extends: true,
-        test: {
-          name: "browser",
-          include: ["src/**/*.browser.test.{ts,tsx}"],
-          browser: {
-            enabled: true,
-            provider: playwright(),
-            headless: true,
-            instances: [{ browser: "chromium" }],
-          },
-        },
-      },
-    ],
+    include: ["src/**/*.test.{ts,tsx}"],
     coverage: {
       provider: "v8",
       reporter: ["json", "lcov", "text-summary"],