Get Tests Stats

curl --request GET \
  --url https://api.example.com/apps/{app_id}/workflows/{workflow_id}/tests/stats

{
  "total_count": 123,
  "running_count": 123,
  "cancelled_count": 123,
  "passing_count": 123,
  "failing_count": 123,
  "expectations_failing_count": 123,
  "expectations_passing_count": 123
}