message: Fix incorrect selector
diff: @@ -252,7 +252,7 @@ module('Acceptance | persistence view and restore', function () {
  assert.dom('[data-test-active-workflow]').exists({ count: 1 });
  assert.dom('[data-test-completed-workflow]').exists({ count: 1 });
  - await click('[data-test-workflow-tracker-clear-completed');
  + await click('[data-test-workflow-tracker-clear-completed]');
  assert.dom('[data-test-completed-workflow]').doesNotExist();
  });
  