Run tests from cli (from node) + reporters

[lifeart]

likely we need to get testem setup from emeber

refs: https://github.com/testem/testem

Later, it could be replaced, or modified to support playwright

Refs: https://github.com/rwjblue/ember-cli/blob/8466e4cd2fd24c69c89f7a9af9c9b5ca3ed6a01d/lib/tasks/test.js, https://github.com/ember-cli/ember-cli/pulls?page=8&q=is%3Apr+testem+is%3Aclosed