Appium tests for Camera fail to save a screenshot

      ✓ camera.ui.spec.12.25 Combining options. sourceType: PHOTOLIBRARY, destinationType: FILE_URI, encodingType: JPEG, allowEdit: true, correctOrientation: true
      ✓ camera.ui.spec.12.26 Combining options. sourceType: PHOTOLIBRARY, destinationType: FILE_URI, encodingType: JPEG, allowEdit: true, correctOrientation: false
      ✓ camera.ui.spec.12.27 Combining options. sourceType: PHOTOLIBRARY, destinationType: FILE_URI, encodingType: JPEG, allowEdit: false, correctOrientation: true
paramedic-appium: Error: [saveScreenshot("/private/var/folders/nd/5vd2nqsn3tlc6kljds0c95200000gp/T/tmp-13717ARAXYhLH1jeB/appium_screenshots/2016-08-10_06.19.01.png")] Error response status: 13, , UnknownError - An unknown server-side error occurred while processing the command. Selenium error: An unknown server-side error occurred while processing the command. Original error: Timed out waiting for screenshot file
paramedic-appium: Uncaught exception! Killing server and exiting in 2 seconds...
Completed tests at 6:19:43 AM