I have my solution setup whereby there is one xUnit test project/assembly configured within that solution that has an xUnit desktop runner.
When I run the tests of this solution by running "Run All" in the Test Explorer window, I see the following output:
------ Discover test started ------
[xUnit.net 00:00:00.6641444] Discovering: Namespace.Testing
[xUnit.net 00:00:01.7346388] Discovered: Namespace.Testing
========== Discover test finished: 255 found (0:00:02.2705091) ==========
------ Run test started ------
[xUnit.net 00:00:00.7718801] Discovering: Namespace.Testing
[xUnit.net 00:00:01.9540699] Discovered: Namespace.Testing
[xUnit.net 00:00:02.6006763] Starting: Namespace.Testing
[xUnit.net 00:00:13.1270643] Finished: Namespace.Testing
========== Run test finished: 255 run (0:00:17.5635971) ==========
There appears to be a "Discover test" step and a "Run test" step being executed, where the "Discovering" and "Discovered" steps are being executed for each step, making it appear that they run twice.
I am curious if this is being run by design or if I have an errant setting somewhere that is causing this behavior. It seems to me (or would be expected) that the "Discovering/Discovered" would only occur once per run. As you can see, it is adding an additional 2 seconds to each run and I would like to avoid that if possible.