vstest.executionengine.x86.exe not closing

Question

I\'ve encountered an error when running unit tests. If I Debug the unit tests vstest.executionengine.x86.exe runs, then closes when the tests pass.

If I just run the

Answer 1

This is by design.

The vstest.executionengine.exe is restarted only when we detect a change in the configuration between two consecutive test runs. This helps ensure we aren't taking a perf hit on process restarts unnecessarily.

Product Update With VS2013 we have a new menu item under Test -> Test Settings called "Keep Test Execution Engine Running". You can uncheck this to opt out of the default behavior.