* Add several tests to Checkout block in the editor
* Avoid 'visibility' word for toToggleElement rule
* Refactor matchers so they receives the label instead of the text
* Make initial 'isRequired' optional
* Refactor code that produces two clicks to DRY
* Unify error messages
* add util folder and add util to generate pages
* add loader to insert and remove pages
* update tests to use the new page creator
* refactor tests to not create pages
* remove fullscreen check
* update single product test.
The test kept failing for me locally (it wasn’t deleting the block), when I manually tested following the same manual steps would not delete the block.
* add `quiet-pull` flag to docker command to hopefully reduce noice on builds
* adjust page loader to simplfy the loop
* remove extra comment
* add docs
* move promise inside map
Co-authored-by: Darren Ethier <darren@roughsmootheng.in>