New frontend specs ([except `browser_specs`](https://gitlab.com/gitlab-org/gitlab/blob/3b6fe2f1077eedb0b8aff02a7350234f0b7dc4f9/spec/javascripts/lib/utils/browser_spec.js#L2)) should be
[written in jest](https://docs.gitlab.com/ee/development/testing_guide/frontend_testing.html#jest).
You have created the following tests, please migrate them over to jest:
it'returns an informational message with rules that can run'do
expect(described_class.local_warning_message).toeq('==> Only the following Danger rules can be run locally: changes_size, documentation, frozen_string, duplicate_yarn_dependencies, prettier, eslint, database, commit_messages')
expect(described_class.local_warning_message).toeq('==> Only the following Danger rules can be run locally: changes_size, documentation, frozen_string, duplicate_yarn_dependencies, prettier, eslint, karma, database, commit_messages')