Fixed memory leak in test and added in comments for clarification.
Fixed memory leak in test and added in comments for clarification.

Change-Id: I827eebf3c82316d640d8ad6636dea2cf6fed6fe1

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