Write test test failure case displays toast

[github-actions]

ground-android/app/src/test/java/com/google/android/ground/ui/offlineareas/selector/OfflineAreaSelectorFragmentTest.kt

Lines 129 to 130 in 6cb83ad

	// TODO: Write `test test failure case displays toast`
	// Issue URL: https://github.com/google/ground-android/issues/3038

    viewModel.downloadProgress.removeObserver(observer)
  }

  // TODO: Write `test test failure case displays toast`
  // Issue URL: https://github.com/google/ground-android/issues/3038
}