PrimeTweenManager not created when running multiple PlayMode tests

[Leo-gp]

When multiple PlayMode tests are run (by "Run All" or "Run Selected" with multiple selected tests), the PrimeTweenManager game object is only created in the first test. The following ones do not have the PrimeTweenManager created.

[KyryloKuzyk]

PrimeTweenManager is created once before all other scripts (BeforeSceneLoad) and should be never destroyed after that because of DontDestroyOnLoad(). When the first PlayMode test is executed, PrimeTweenManager should be created and all other following tests will use the same PrimeTweenManager instance. Is this not the case for you?

One potential corner case I can imagine is that if any of your tests exit the PlayMode by doing something like EditorApplication.isPlaying = false;, then it may cause issues because PrimeTweenManager.Instance will be set to null inside the EditorApplication.playModeStateChanged callback. Can you please tell me if any of your tests do something like that?

PrimeTween comes with a lot of runtime tests and you can enable them by adding these lines to your manifest.json file. Can you check if they work for you correctly?

"testables": [
    "com.kyrylokuzyk.primetween"
  ]

[Leo-gp]

I was able to identify the issue after your input. My PlayMode tests use Zenject's SceneTestFixture, and its LoadScenes method as well as its Teardown run a method DestroyEverythingExceptTestRunner, and from there, it's self-explanatory...
I just modified it so it also doesn't destroy the PrimeTweenManager.
Thanks for helping!