I keep forgetting to make this setting when I configure a new development environment.
[](http://www.morkeleb.com/wp-content/testresults.png)Visual studio Test results settingThe default setting for this is 25, meaning that visual studio will keep the 25 last test results for the specific test project. With many test-projects and especially if you work in several branches with testing the amount of storage the tests results require can be quite substantial. Especially if you run tests in win-forms applications that have a lot of graphics.