ember-cli-internal-test-helpers provides internal testing utilities for Ember CLI addons and applications. This package offers specialized assertions and helpers specifically designed to facilitate testing scenarios within the Ember CLI ecosystem, such as application booting and addon configuration. Using this package, developers can seamlessly interact with and validate the behavior of their code during testing. This package is primarily used by Ember CLI core contributors, addon authors, and application developers building custom testing infrastructure. Because it is not intended for public use, its API may change without warning.