MyViewModelTest.kt

/* Copyright 2019 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
@Test
fun isLiveDataEmitting_observeForever() {
    viewModel.setNewValue("foo")

    // This works but can be improved.
    viewModel.liveData2.observeForever { }

    // Passes because it's not a result of a Transformation:
    assertEquals(viewModel.liveData1.value, "foo")

    // Passes because now it's being observed:
    assertEquals(viewModel.liveData2.value, "FOO")
}