Once your team automates the features with Cucumber or another executable specification framework, you should be able to obtain a test results file in JSON format.
Use the menu in the top right corner of the main living documentation page to upload this test results file to Jira.
Click or drag-and-drop the result JSON file and choose the cucumber language you used to generate the file.
When the file is uploaded, the test results are updated for each feature:
You can also see the result details on the feature page: