tests: ensure clean state before base test.

Author: bznein

frontends/web/tests/base.test.ts

@@ -17,6 +17,7 @@
 import { test } from './helpers/fixtures';
 import { ServeWallet } from './helpers/servewallet';
 import { expect } from '@playwright/test';
+import { deleteConfigFile, deleteAccountsFile } from './helpers/fs';
 
 let servewallet: ServeWallet;
 
@@ -35,6 +36,11 @@ test('App main page loads', async ({ page, host, frontendPort, servewalletPort }
   });
 });
 
+test.beforeAll(() => {
+    deleteConfigFile();
+    deleteAccountsFile();
+});
+
 test.afterAll(() => {
   servewallet.stop();
 });