Custom TestEventListener and Appdomains

[z002Holpp]

Hi,

I implemented a custom test event listener (by using the ITestEventListener extension point). So far it works well, the event listener is loaded and the events are triggered as expected.
However, I observed that I cannot use static types in both the event listener and the test libraries. I also observed that for net47 target, the test case and the event listener run in different appdomains and i guess thats the root cause (its well-known that its not possible to share static instances across appdomains).

I run the tests with vstest + test adapter or with dotnet test.
Running the same test in ReSharper works fine because ReSharper uses the same appdomain for both the test and the custom event listener, but has also a self-implemented test adapter with probably some magic inside.

Is there any way to overcome that my custom eventlistener is loaded into a separate appdomain?
Unfortunately I still have to target net47.

Thanks and best regards!

I use
nunit 3.11
nunit.engine 3.9
nunit3 test adapter 3.13
but it seems pretty much independent from the concrete versions.