Fix frontend test assertions - remove inaccessible form role checks

- Update login-form.test.tsx to remove screen.getByRole('form') assertions
- Tests now check for form elements directly by label text

package.json

@@ -0,0 +1,5 @@
+{
+  "devDependencies": {
+    "jest-environment-jsdom": "^30.3.0"
+  }
+}