I work on Notice27, and one lesson from testing notice placement in WooCommerce is that “it appeared at checkout” is not a meaningful acceptance test. A store can have a classic product template, a block-based cart, a shortcode checkout, extension-managed line items, translated routes, and custo...
Source: [Dev.to](https://dev.to/notice27woo/what-a-woocommerce-notice-placement-test-matrix-should-actually-cover-4004)