How to: Delete Test Results from Build
Team Foundation Build generates detailed build information for each completed build and also for builds that are in progress. You can view the build report by double-clicking the build in Build Explorer. You can delete test results from a build report.
To perform these procedures, you must have the Publish test results security permission set to Allow. For more information, see Team Foundation Server Permissions.
To delete test results
Open Build Explorer. For more information about build reports, see How to: View a Build Report.
Double-click the build name in Build Explorer.
Expand the Test results section in the build report.
Right-click Test Run, and then click Delete.