diff --git a/packages/nicolium/src/storage/migrate-legacy-data.ts b/packages/nicolium/src/storage/migrate-legacy-data.ts
index 4fffe4892..53b341021 100644
--- a/packages/nicolium/src/storage/migrate-legacy-data.ts
+++ b/packages/nicolium/src/storage/migrate-legacy-data.ts
@@ -8,7 +8,7 @@
 import localforage from 'localforage';
 import trim from 'lodash/trim';
 
-import { FE_SUBDIRECTORY } from '@/build-config';
+import { FE_SUBDIRECTORY, NODE_ENV } from '@/build-config';
 
 // synchronous localStorage migrations
 
@@ -48,8 +48,12 @@ const migratePushNotificationSettings = () => {
   }
 };
 
-migrateAuthStorage();
-migratePushNotificationSettings();
+const shouldMigrateLegacyData = NODE_ENV !== 'test';
+
+if (shouldMigrateLegacyData) {
+  migrateAuthStorage();
+  migratePushNotificationSettings();
+}
 
 // async migrations
 
@@ -90,6 +94,6 @@ const migrateIndexedDB = async () => {
   }
 };
 
-const migrationComplete = migrateIndexedDB();
+const migrationComplete = shouldMigrateLegacyData ? migrateIndexedDB() : Promise.resolve();
 
 export { migrationComplete };
diff --git a/packages/nicolium/tests/components/ui/toast.test.tsx b/packages/nicolium/tests/components/ui/toast.test.tsx
new file mode 100644
index 000000000..cc12d495f
--- /dev/null
+++ b/packages/nicolium/tests/components/ui/toast.test.tsx
@@ -0,0 +1,62 @@
+import { render, screen } from '@testing-library/react';
+import React from 'react';
+import { IntlProvider } from 'react-intl';
+import { describe, expect, it, vi } from 'vitest';
+
+import Toast from '@/components/ui/toast';
+
+import type { Toast as RHToast } from 'react-hot-toast';
+
+vi.mock('@/components/ui/icon', () => ({
+  default: (props: { className?: string }) => (
+    <span data-testid='icon' className={props.className} />
+  ),
+}));
+
+const createToast = (id: string): RHToast =>
+  ({
+    id,
+    visible: true,
+  }) as RHToast;
+
+describe('Toast accessibility', () => {
+  it('uses polite status live-region semantics for non-error toasts', () => {
+    render(
+      <IntlProvider locale='en'>
+        <Toast
+          t={createToast('success-toast')}
+          message='Settings saved.'
+          type='success'
+          summary='Your changes were synced.'
+        />
+      </IntlProvider>,
+    );
+
+    const toast = screen.getByTestId('toast');
+
+    expect(toast).toHaveAttribute('role', 'status');
+    expect(toast).toHaveAttribute('aria-live', 'polite');
+    expect(toast).toHaveAttribute('aria-atomic', 'true');
+    expect(toast).toHaveAttribute(
+      'aria-describedby',
+      'toast-message-success-toast toast-summary-success-toast',
+    );
+
+    expect(screen.getByRole('button', { name: 'Close' })).toBeInTheDocument();
+  });
+
+  it('uses assertive alert semantics for error toasts', () => {
+    render(
+      <IntlProvider locale='en'>
+        <Toast t={createToast('error-toast')} message='Something went wrong.' type='error' />
+      </IntlProvider>,
+    );
+
+    const toast = screen.getByTestId('toast');
+
+    expect(toast).toHaveAttribute('role', 'alert');
+    expect(toast).toHaveAttribute('aria-live', 'assertive');
+    expect(toast).toHaveAttribute('aria-atomic', 'true');
+    expect(toast).toHaveAttribute('aria-describedby', 'toast-message-error-toast');
+  });
+});