Add resilience to AddMedia command test

The media store might take time to add the image to the list, so include a retry.

Author: Fishbowler

e2e/demo_app/.maestro/commands/addMedia.yaml

@@ -6,13 +6,19 @@ tags:
 
 - addMedia:
   - ../assets/image.png
-   
+
 - launchApp: com.google.android.documentsui # Files app
 
-- tapOn: Show roots
-- tapOn: Images
-- tapOn: Pictures
-- assertVisible: image.png
+# The image is inserted into MediaStore immediately, but the Files app caches
+# its album listing and does not always re-query in time to show the new file.
+# Re-navigate into Pictures on each attempt so documentsui issues a fresh query.
+- retry:
+    maxRetries: 4
+    commands:
+      - tapOn: Show roots
+      - tapOn: Images
+      - tapOn: Pictures
+      - assertVisible: image.png
 - longPressOn: image.png
 - tapOn: Search # The picture of the bin...
 - tapOn: OK