Enable accessibilityAudit on `batches.test.ts`

Created by: gitstart-sourcegraph

Description

• Enabling accessibility audit on batches page in its integration test

Refs

SG Issue Gitstart Ticket

Test plan

Run the integration test yarn test-integration:base client/web/src/integration/batches.test.ts

Success criteria

• All integration tests with percy snapshots have accessibilityAudit enabled

App preview:

• Link

Check out the client app preview documentation to learn more.