In order to ensure a clean data set, it's a best practice to delete test responses. (You can also delete real responses, should you desire to do so.)
Open the data tab of the interaction where the responses you want to delete are located:
Select the row(s) you want to delete by clicking the checkbox in front of each row. Once at least one row is selected, a 'Trash' icon will appear above the table on the right.
Once you click on the 'Trash' icon, a pop-up window will appear to confirm the action. Click 'Delete' to delete the data.
You can also delete all rows on the page by selecting the checkbox at the top of the table. It will select all the rows on the page.
Note: You can change the page size at the bottom of the table.
