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+# 800 - Quality Assurance
+
+**Use Case**: Music
+
+* **Information gathered**: QA tests the feature and reports:
+  - Volume controls work correctly on standard 5.1 systems.
+  - UI accurately displays current settings.
+  - Reset function works as expected.
+  - One issue: volume settings revert when the app is suspended on mobile.
+
+
+You fix the mobile state preservation issue and push an update.
+
+* **Tools**:
+
+  - [GitHub](https://github.com/) (source code management): you fix the mobile state preservation issue and push an update.
+  - [StoriesOnBoard](https://storiesonboard.com/) (): ...
+  - [ActivePieces](https://www.activepieces.com/) (automation): ...