BUG: Fix a test's dependency on VTK_DATA_ROOT
BUG: Fix a test's dependency on VTK_DATA_ROOT

demarle/VTK,cjh1/VTK,msmolens/VTK,collects/VTK,johnkit/vtk-dev,sumedhasingla/VTK,spthaolt/VTK,sumedhasingla/VTK,keithroe/vtkoptix,gram526/VTK,arnaudgelas/VTK,candy7393/VTK,biddisco/VTK,johnkit/vtk-dev,hendradarwin/VTK,berendkleinhaneveld/VTK,Wuteyan/VTK,mspark93/VTK,candy7393/VTK,ashray/VTK-EVM,arnaudgelas/VTK,collects/VTK,berendkleinhaneveld/VTK,msmolens/VTK,biddisco/VTK,arnaudgelas/VTK,naucoin/VTKSlicerWidgets,keithroe/vtkoptix,mspark93/VTK,gram526/VTK,sankhesh/VTK,SimVascular/VTK,biddisco/VTK,naucoin/VTKSlicerWidgets,jmerkow/VTK,hendradarwin/VTK,ashray/VTK-EVM,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,berendkleinhaneveld/VTK,gram526/VTK,mspark93/VTK,Wuteyan/VTK,aashish24/VTK-old,johnkit/vtk-dev,hendradarwin/VTK,biddisco/VTK,cjh1/VTK,SimVascular/VTK,collects/VTK,jmerkow/VTK,johnkit/vtk-dev,demarle/VTK,spthaolt/VTK,biddisco/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,msmolens/VTK,spthaolt/VTK,gram526/VTK,sankhesh/VTK,keithroe/vtkoptix,ashray/VTK-EVM,berendkleinhaneveld/VTK,hendradarwin/VTK,SimVascular/VTK,naucoin/VTKSlicerWidgets,jmerkow/VTK,keithroe/vtkoptix,aashish24/VTK-old,demarle/VTK,spthaolt/VTK,naucoin/VTKSlicerWidgets,keithroe/vtkoptix,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,naucoin/VTKSlicerWidgets,cjh1/VTK,cjh1/VTK,jmerkow/VTK,gram526/VTK,aashish24/VTK-old,candy7393/VTK,ashray/VTK-EVM,spthaolt/VTK,Wuteyan/VTK,Wuteyan/VTK,naucoin/VTKSlicerWidgets,cjh1/VTK,demarle/VTK,ashray/VTK-EVM,candy7393/VTK,collects/VTK,Wuteyan/VTK,SimVascular/VTK,keithroe/vtkoptix,hendradarwin/VTK,mspark93/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,candy7393/VTK,keithroe/vtkoptix,mspark93/VTK,johnkit/vtk-dev,spthaolt/VTK,jeffbaumes/jeffbaumes-vtk,ashray/VTK-EVM,gram526/VTK,hendradarwin/VTK,sankhesh/VTK,collects/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,spthaolt/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,jmerkow/VTK,aashish24/VTK-old,aashish24/VTK-old,sumedhasingla/VTK,jmerkow/VTK,sumedhasingla/VTK,biddisco/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,keithroe/vtkoptix,sankhesh/VTK,berendkleinhaneveld/VTK,demarle/VTK,msmolens/VTK,msmolens/VTK,gram526/VTK,arnaudgelas/VTK,msmolens/VTK,Wuteyan/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,mspark93/VTK,arnaudgelas/VTK,arnaudgelas/VTK,candy7393/VTK,SimVascular/VTK,SimVascular/VTK,SimVascular/VTK,johnkit/vtk-dev,jmerkow/VTK,cjh1/VTK,collects/VTK,hendradarwin/VTK,daviddoria/PointGraphsPhase1,gram526/VTK,mspark93/VTK,demarle/VTK,sumedhasingla/VTK,demarle/VTK,sumedhasingla/VTK,johnkit/vtk-dev,mspark93/VTK,Wuteyan/VTK,aashish24/VTK-old,demarle/VTK,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,SimVascular/VTK,berendkleinhaneveld/VTK,candy7393/VTK,sankhesh/VTK,biddisco/VTK,berendkleinhaneveld/VTK,jeffbaumes/jeffbaumes-vtk,sankhesh/VTK