BUG: Fix vtkSlicerDoubleArraysLogicAddFileTest
Created by: jcfr
WIP DO NOT INTEGRATE
This commit fixes test vtkSlicerDoubleArraysLogicAddFileTest to account for commit introduced in r24675 (BUG: Fix support for missing labels in vtkMRMLDoubleArrayStorage reader)
At time of integration, only the test vtkMRMLDoubleArrayStorageNodeTest1 updated in r24676 (ENH: Add test for vtkMRMLDoubleArrayStorageNode reader/writer) has been executed to confirm it was working.
Failure reported on the dashboard: