Test with Turbine and multiple steps

TurbineMultipleStatesTest.kt

@Test
fun `Given the ViewModel waits - When the event OnLaunch comes, then both computations runs successfully`() =
    runTest {
        turbineScope {
            // ARRANGE
            val expectedString = "Result"
            heavyComputation.stub {
                onBlocking { doComputation() } doAnswer { expectedString }
            }

            val sut = ExampleViewModel(heavyComputation)

            val firstStateReceiver = sut.vmState.testIn(backgroundScope)
            val secondStateReceiver = sut.secondVmState.testIn(backgroundScope)

            // ACTION
            sut.onEvent(VmEvents.OnLaunch)

            // CHECK
            assertEquals(VmState.Waiting, firstStateReceiver.awaitItem())
            assertEquals(VmState.Waiting, secondStateReceiver.awaitItem())

            assertEquals(VmState.Running, firstStateReceiver.awaitItem())
            assertEquals(VmState.Running, secondStateReceiver.awaitItem())

            assertEquals(VmState.Finished(expectedString), firstStateReceiver.awaitItem())
            assertEquals(VmState.Finished(expectedString), secondStateReceiver.awaitItem())

            assertEquals(VmState.Waiting, firstStateReceiver.awaitItem())
            assertEquals(VmState.Waiting, secondStateReceiver.awaitItem())

            firstStateReceiver.cancel()
            secondStateReceiver.cancel()
        }
    }