Prerequisite: Safari Technology Preview is installed.
Steps to reproduce:
git clone https://github.com/jquery/esprima.git
npm run browser-tests
Actual: Error message:
ERROR [launcher]: Cannot load browser "SafariTechPreview": it is not registered! Perhaps you are missing some plugin?
ERROR [karma]: Found 1 load error
Expected: Safari Technology Preview is launched and used to run the unit tests.
Support running the tests on Safari Technology Preview