Testing exit app scenario

[sdvig]

This questions was already raised before, but left without answer in the issue.
What is recommended way to test the current scenario, when on a click of the button there is a
BackHandler.exitApp() event.
I tried to test like this:

await element(by.id('licenseCancelButton')).tap();
await expect(element(by.id('licensePage'))).toBeNotVisible();

But I get this error:

Error: No activities found. Did you forget to launch the activity by calling getActivity() or startActivitySync or similar?
      at Client.execute (node_modules/detox/src/client/Client.js:92:28)
      at InvocationManager.execute (node_modules/detox/src/invoke.js:11:33)
      at WaitForInteraction.execute (node_modules/detox/src/android/expect.js:128:35)
      at WaitForInteraction.withTimeout (node_modules/detox/src/android/expect.js:161:16)
      at Context.it (e2e/firstTest.spec.js:8:69)
      at process._tickCallback (internal/process/next_tick.js:68:7)

Thank you very much in advance!

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