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

I worked around this by using the following as a pre-build event on the affected test projects:

for 64-bit:

taskkill /F /IM vstest.executionengine.exe /FI "MEMUSAGE gt 1"

or for 32-bit:

taskkill /F /IM vstest.executionengine.x86.exe /FI "MEMUSAGE gt 1"

This silently kills the execution engine before building the test project. The /FI "MEMUSAGE gt 1" stops the command (and therefore the build) from failing if the execution engine isn't running.