How to: Edit a Test Settings File from Microsoft Visual Studio
You can change the settings that are stored in your test settings files by using the test settings editor.
To edit the test settings file
On the Test menu, click Edit Test Settings.
A submenu lists all the test settings in your current solution or project.
Click a test settings to edit it.
For more information about how to edit the fields, see Create Test Settings to Run Automated Tests from Visual Studio.