See reviews, generated by the publish action and a github workflow, here
e2e tests are now in the main haibun repo.
This is the walkthrough demo.
cd to the project directory, then
npm i to install libraries
npm run build to build
npm run test to run all tests, or npm run test <name> for one test, for example, npm run test after-every.
Take a look at scripts in package.json for more test options, and use npm run test -- --help
npm run walkthrough will create a sample video with audio walkthrough.