* add e2e test for instantiating All Reviews block:
- adapted code from @senadir in-progress PR
https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2756
* remove pptr-testing-library - not needed for this test
* Don't skip tests for the review block on < 5.3
Co-authored-by: Mike Jolley <mike.jolley@me.com>
Rua Haszard