making all waitForViews have an initial 100ms wait this completely removed the flakyness when running the tests on my emulator

vector/src/androidTest/java/im/vector/app/EspressoExt.kt

@@ -70,6 +70,8 @@ fun waitForView(viewMatcher: Matcher<View>, timeout: Long = 10_000, waitForDispl
             val endTime = startTime + timeout
             val visibleMatcher = isDisplayed()
 
+            uiController.loopMainThreadForAtLeast(100)
+
             do {
                 println("*** waitForView loop $view end:$endTime current:${System.currentTimeMillis()}")
                 val viewVisible = TreeIterables.breadthFirstViewTraversal(view)
@@ -93,6 +95,8 @@ fun waitForView(viewMatcher: Matcher<View>, timeout: Long = 10_000, waitForDispl
     }
 }
 
+
+
 fun initialSyncIdlingResource(session: Session): IdlingResource {
     val res = object : IdlingResource, Observer<SyncState> {
         private var callback: IdlingResource.ResourceCallback? = null