Executing the current test run will produce a new test run result, which will exceed the limit of {0} that is currently specified. ...

Executing the current test run will produce a new test run result, which will exceed the limit of {0} that is currently specified. If you continue, older test run results and their associated deployments will be deleted from the hard drive. You can change this limit in the Options dialog box, which you can open from the Tools Menu.