Access compose root view in test

get-compose-root-view

// Sometimes you may need access to the root view in a test when working with compose.
// This is particularly useful for screenshot tests with popups/dialog where the root view 
// will be in a separate window, rather than the activity
// This snippet shows how this can be used
  
val view = composeTestRule.onNode(isDialog()).fetchRootView()
  
private fun SemanticsNodeInteraction.fetchRootView(): View {
  val node = fetchSemanticsNode()
  return (node.root as ViewRootForTest).view