1. Open Samples from Home or the bottom navigation bar.

2. Select the sample from the list.

3. Click Edit Sample (pencil) in the row actions.

4. On the sample edit form, find the Tests field.

5. Search for and select each test to add. Choose the correct test from the suggestions.

6. Click Save to apply the changes.

If the sample uses grouped tests, you may see additional options to include or exclude tests within a group before saving.