Environment.Exit triggers DLL unloading which causes native code to callback into managed after CLR shutdown.
Use Plat_ExitProcess instead which terminates immediately without running DLL destructors.
* Stop generating solutions via -test flag add -generatesolution
* Add TestAppSystem remove Application.InitUnitTest
Avoids some hacks and also makes sure our tests are as close to a real AppSystem as possible.
* Add shutdown unit test
shuts down an re-inits the engine
* Properly dispose native resources hold by managed during shutdown
Should fix a bunch of crashes
* Fix filesystem and networking tests
* StandaloneTest does proper Game Close
* Make sure package tests clean up properly
* Make sure menu scene and resources are released on shutdown
* Report leaked scenes on shutdown
* Ensure DestroyImmediate is not used on scenes
* Fix unmounting in unit tests not clearing native refs
* Force destroy native resource on ResourceLib Clear
