Steps to execute a Test Case from the Test Case screen
Open the required Test Case.
Click the Execute button at the top (next to the breadcrumb).
A pop-up will appear with options to execute from a Linked Jira Work Item or a Test Folder.
Under Select Linked, choose the Work Item or Folder.
Click the search field to view the list of linked Work Items or Folders.
Select the desired Work Item or Folder and set the required Test Run properties.
Click Execute. You will see options for Quick Test and Execute.
Choose an option:
Quick Test → Update the Test Case result instantly
Execute → Opens a new Test Run in a new tab