increase test coverage

extend test coverage

tests/e2e/export.spec.js

@@ -14,6 +14,7 @@ test.describe('Export', () => {
   test('export dialog opens', async ({ page }) => {
     await openMainMenu(page)
     await page.locator('#tool_export').click()
-    await expect(page.locator('#dialog_content select')).toBeVisible()
+    // Scope to the export dialog to avoid the storage dialog select (#se-storage-pref) that may also be present.
+    await expect(page.locator('#export_box select')).toBeVisible()
   })
 })