ensure voiceover is running

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Components/Loader/Loader.swift

@@ -107,10 +107,18 @@ open class Loader: View {
         rotation.duration = 0.5
         rotation.repeatCount = .infinity
         icon.layer.add(rotation, forKey: rotationLayerName)
-                
+              
+        // check to make sure VoiceOver is running
+        guard UIAccessibility.isVoiceOverRunning else {
+            loadingTimer?.invalidate()
+            loadingTimer = nil
+            return
+        }
+        
         // Focus VoiceOver on this view
         UIAccessibility.post(notification: .layoutChanged, argument: self)
-        
+
+        // setup timer for post
         loadingTimer = Timer.scheduledTimer(withTimeInterval: 60, repeats: true) { [weak self] _ in
             self?.accessibilityLabel = "Still Loading"
             UIAccessibility.post(notification: .announcement, argument: "Still Loading")