refactor: harden tests

e2e/app/src/main.rs

@@ -0,0 +1,7 @@
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    donutbrowser_lib::run_with_builder(|builder| {
+        builder.plugin(tauri_plugin_cross_platform_webdriver::init())
+    });
+}