Add more integration tests (#117) #335

Job	Run time
tests (ubuntu-latest, 8.x)	10m 33s
tests (ubuntu-latest, 9.x)	14m 53s
integration-tests (ubuntu-latest, examples/simple-android, local, 8.x)	8m 7s
integration-tests (ubuntu-latest, examples/simple-android, worker, 9.x)	6m 56s
integration-tests (ubuntu-latest, examples/simple-android, worker, 8.x)	8m 9s
integration-tests (ubuntu-latest, examples/simple-android, local, 9.x)	8m 29s
	57m 7s

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