TEST-FIX: fixing vtkIOMINCPython-TestMINCImageReader
TEST-FIX: fixing vtkIOMINCPython-TestMINCImageReader

Making the test similar to the tcl test fixed it.

Change-Id: Iee2b4b18ca949b750bafd0e0b3470b459d5b0b35

mspark93/VTK,biddisco/VTK,mspark93/VTK,gram526/VTK,mspark93/VTK,ashray/VTK-EVM,candy7393/VTK,sankhesh/VTK,sumedhasingla/VTK,johnkit/vtk-dev,candy7393/VTK,sankhesh/VTK,mspark93/VTK,hendradarwin/VTK,gram526/VTK,candy7393/VTK,hendradarwin/VTK,ashray/VTK-EVM,johnkit/vtk-dev,SimVascular/VTK,ashray/VTK-EVM,collects/VTK,hendradarwin/VTK,jmerkow/VTK,sankhesh/VTK,gram526/VTK,biddisco/VTK,keithroe/vtkoptix,keithroe/vtkoptix,demarle/VTK,msmolens/VTK,demarle/VTK,hendradarwin/VTK,johnkit/vtk-dev,biddisco/VTK,ashray/VTK-EVM,gram526/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,collects/VTK,keithroe/vtkoptix,mspark93/VTK,msmolens/VTK,mspark93/VTK,SimVascular/VTK,keithroe/vtkoptix,jmerkow/VTK,jmerkow/VTK,sumedhasingla/VTK,keithroe/vtkoptix,johnkit/vtk-dev,candy7393/VTK,mspark93/VTK,SimVascular/VTK,sumedhasingla/VTK,sankhesh/VTK,jmerkow/VTK,candy7393/VTK,SimVascular/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,hendradarwin/VTK,gram526/VTK,berendkleinhaneveld/VTK,gram526/VTK,gram526/VTK,berendkleinhaneveld/VTK,msmolens/VTK,candy7393/VTK,biddisco/VTK,jmerkow/VTK,ashray/VTK-EVM,collects/VTK,sankhesh/VTK,biddisco/VTK,demarle/VTK,keithroe/vtkoptix,johnkit/vtk-dev,sumedhasingla/VTK,SimVascular/VTK,johnkit/vtk-dev,msmolens/VTK,msmolens/VTK,sankhesh/VTK,demarle/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,sankhesh/VTK,collects/VTK,jmerkow/VTK,jmerkow/VTK,jmerkow/VTK,demarle/VTK,sankhesh/VTK,biddisco/VTK,berendkleinhaneveld/VTK,msmolens/VTK,gram526/VTK,biddisco/VTK,berendkleinhaneveld/VTK,msmolens/VTK,collects/VTK,collects/VTK,demarle/VTK,sumedhasingla/VTK,candy7393/VTK,ashray/VTK-EVM,demarle/VTK,demarle/VTK,hendradarwin/VTK,mspark93/VTK,ashray/VTK-EVM,sumedhasingla/VTK,sumedhasingla/VTK,msmolens/VTK,SimVascular/VTK,hendradarwin/VTK,SimVascular/VTK,johnkit/vtk-dev,candy7393/VTK,SimVascular/VTK,keithroe/vtkoptix