Executives have cited the difficulty of that task as a key reason for the long lead-up to the new pay system and have been testing and debugging the system.

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Testing and debugging of coverage files for routing apps is only supported during development through the Xcode Run workflow. (You can specify the coverage file for a given Run scheme using the Options pane of the Run section of the scheme editor.) Apps that are archived and distributed (outside of the App Store) onto devices will not have access to the app's coverage files.

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