BUG: Memory leak
BUG: Memory leak

Test was not releasing the char * returned by
vtkTestUtilities::ExpandDataFileName().

Change-Id: If06ac9cc90451400862891664d74447c2a5711e3

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