Reveal: Test Runner

From individual vars to the whole suite, you can use Reveal for running tests and quickly navigating the structured test output. When defining new tests, you can use test contextual action to test the var (or the whole ns). You can also use test runner sticker for an always-on UI for running tests. Jump between errors instantly using Alt ↑ and Alt ↓ in test output. Use diff contextual action on test failures to see the difference between expected and actual values: