test: run tests against firefox and webdriverio too

Author: AriPerkkio

README.md

@@ -37,8 +37,6 @@ export default defineConfig({
   test: {
     browser: {
       enabled: true,
-      provider: "playwright",
-      instances: [{ browser: "chromium" }],
     },
   },
 });

package.json

@@ -58,7 +58,8 @@
     "prettier": "^3.5.3",
     "tsup": "^8.4.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.1"
+    "vitest": "^3.1.1",
+    "webdriverio": "^9.12.5"
   },
   "prettier": {}
 }